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Finding the Fourth Proportional to 51,792.39, 71,473.47 and 29,436.39

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Solution

The fourth proportional to 51,792.39, 71,473.47 and 29,436.39 is: 40,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,792.39 : 71,473.47 = 29,436.39 : x
  2. Step 2: Convert to fraction form
    51,792.39/71,473.47 = 29,436.39/x
  3. Step 3: Cross multiply
    51,792.39x = 71,473.47 × 29,436.39
  4. Step 4: Simplify right side
    51,792.39x = 2,103,920,937.57
  5. Step 5: Solve for x
    x = 2,103,920,937.57/51,792.39
  6. Step 6: Final answer
    x = 40,622.20

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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.