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Finding the Fourth Proportional to 9,553.80, 14,330.70 and 8,099.40

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Solution

The fourth proportional to 9,553.80, 14,330.70 and 8,099.40 is: 12,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.80 : 14,330.70 = 8,099.40 : x
  2. Step 2: Convert to fraction form
    9,553.80/14,330.70 = 8,099.40/x
  3. Step 3: Cross multiply
    9,553.80x = 14,330.70 × 8,099.40
  4. Step 4: Simplify right side
    9,553.80x = 116,070,071.58
  5. Step 5: Solve for x
    x = 116,070,071.58/9,553.80
  6. Step 6: Final answer
    x = 12,149.10

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Half scale
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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.