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Finding the Fourth Proportional to 59,954.43, 89,986.11 and 31,897.95

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Solution

The fourth proportional to 59,954.43, 89,986.11 and 31,897.95 is: 47,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,954.43 : 89,986.11 = 31,897.95 : x
  2. Step 2: Convert to fraction form
    59,954.43/89,986.11 = 31,897.95/x
  3. Step 3: Cross multiply
    59,954.43x = 89,986.11 × 31,897.95
  4. Step 4: Simplify right side
    59,954.43x = 2,870,372,437.47
  5. Step 5: Solve for x
    x = 2,870,372,437.47/59,954.43
  6. Step 6: Final answer
    x = 47,875.90

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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.