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Finding the Fourth Proportional to 59,534.97, 89,302.45 and 17,981.97

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Solution

The fourth proportional to 59,534.97, 89,302.45 and 17,981.97 is: 26,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,534.97 : 89,302.45 = 17,981.97 : x
  2. Step 2: Convert to fraction form
    59,534.97/89,302.45 = 17,981.97/x
  3. Step 3: Cross multiply
    59,534.97x = 89,302.45 × 17,981.97
  4. Step 4: Simplify right side
    59,534.97x = 1,605,833,976.83
  5. Step 5: Solve for x
    x = 1,605,833,976.83/59,534.97
  6. Step 6: Final answer
    x = 26,972.95

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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.