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Finding the Fourth Proportional to 57,072.73, 78,792.04 and 34,417.46

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Solution

The fourth proportional to 57,072.73, 78,792.04 and 34,417.46 is: 47,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.73 : 78,792.04 = 34,417.46 : x
  2. Step 2: Convert to fraction form
    57,072.73/78,792.04 = 34,417.46/x
  3. Step 3: Cross multiply
    57,072.73x = 78,792.04 × 34,417.46
  4. Step 4: Simplify right side
    57,072.73x = 2,711,822,168.04
  5. Step 5: Solve for x
    x = 2,711,822,168.04/57,072.73
  6. Step 6: Final answer
    x = 47,515.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.