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Finding the Fourth Proportional to 59,940.41, 89,881.92 and 28,324.08

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Solution

The fourth proportional to 59,940.41, 89,881.92 and 28,324.08 is: 42,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,940.41 : 89,881.92 = 28,324.08 : x
  2. Step 2: Convert to fraction form
    59,940.41/89,881.92 = 28,324.08/x
  3. Step 3: Cross multiply
    59,940.41x = 89,881.92 × 28,324.08
  4. Step 4: Simplify right side
    59,940.41x = 2,545,822,692.63
  5. Step 5: Solve for x
    x = 2,545,822,692.63/59,940.41
  6. Step 6: Final answer
    x = 42,472.56

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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.