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Finding the Fourth Proportional to 10,061.64, 15,076.20 and 6,154.20

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Solution

The fourth proportional to 10,061.64, 15,076.20 and 6,154.20 is: 9,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.64 : 15,076.20 = 6,154.20 : x
  2. Step 2: Convert to fraction form
    10,061.64/15,076.20 = 6,154.20/x
  3. Step 3: Cross multiply
    10,061.64x = 15,076.20 × 6,154.20
  4. Step 4: Simplify right side
    10,061.64x = 92,781,950.04
  5. Step 5: Solve for x
    x = 92,781,950.04/10,061.64
  6. Step 6: Final answer
    x = 9,221.35

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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.