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Finding the Fourth Proportional to 44,607.11, 66,916.13 and 20,902.46

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Solution

The fourth proportional to 44,607.11, 66,916.13 and 20,902.46 is: 31,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,607.11 : 66,916.13 = 20,902.46 : x
  2. Step 2: Convert to fraction form
    44,607.11/66,916.13 = 20,902.46/x
  3. Step 3: Cross multiply
    44,607.11x = 66,916.13 × 20,902.46
  4. Step 4: Simplify right side
    44,607.11x = 1,398,711,291.59
  5. Step 5: Solve for x
    x = 1,398,711,291.59/44,607.11
  6. Step 6: Final answer
    x = 31,356.24

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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.