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Finding the Fourth Proportional to 52,522, 72,480.36 and 39,104.80

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Solution

The fourth proportional to 52,522, 72,480.36 and 39,104.80 is: 53,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522 : 72,480.36 = 39,104.80 : x
  2. Step 2: Convert to fraction form
    52,522/72,480.36 = 39,104.80/x
  3. Step 3: Cross multiply
    52,522x = 72,480.36 × 39,104.80
  4. Step 4: Simplify right side
    52,522x = 2,834,329,981.73
  5. Step 5: Solve for x
    x = 2,834,329,981.73/52,522
  6. Step 6: Final answer
    x = 53,964.62

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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.