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Finding the Fourth Proportional to 10,484.46, 15,737.31 and 9,306.18

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Solution

The fourth proportional to 10,484.46, 15,737.31 and 9,306.18 is: 13,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.46 : 15,737.31 = 9,306.18 : x
  2. Step 2: Convert to fraction form
    10,484.46/15,737.31 = 9,306.18/x
  3. Step 3: Cross multiply
    10,484.46x = 15,737.31 × 9,306.18
  4. Step 4: Simplify right side
    10,484.46x = 146,454,239.58
  5. Step 5: Solve for x
    x = 146,454,239.58/10,484.46
  6. Step 6: Final answer
    x = 13,968.70

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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.