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Finding the Fourth Proportional to 9,656,551.80, 14,484,827.70 and 8,097,658.20

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Solution

The fourth proportional to 9,656,551.80, 14,484,827.70 and 8,097,658.20 is: 12,146,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,656,551.80 : 14,484,827.70 = 8,097,658.20 : x
  2. Step 2: Convert to fraction form
    9,656,551.80/14,484,827.70 = 8,097,658.20/x
  3. Step 3: Cross multiply
    9,656,551.80x = 14,484,827.70 × 8,097,658.20
  4. Step 4: Simplify right side
    9,656,551.80x = 117,293,183,800,492.14
  5. Step 5: Solve for x
    x = 117,293,183,800,492.14/9,656,551.80
  6. Step 6: Final answer
    x = 12,146,487.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.