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Finding the Fourth Proportional to 9,910.20, 14,865.30 and 9,254.10

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Solution

The fourth proportional to 9,910.20, 14,865.30 and 9,254.10 is: 13,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.20 : 14,865.30 = 9,254.10 : x
  2. Step 2: Convert to fraction form
    9,910.20/14,865.30 = 9,254.10/x
  3. Step 3: Cross multiply
    9,910.20x = 14,865.30 × 9,254.10
  4. Step 4: Simplify right side
    9,910.20x = 137,564,972.73
  5. Step 5: Solve for x
    x = 137,564,972.73/9,910.20
  6. Step 6: Final answer
    x = 13,881.15

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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.