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Finding the Fourth Proportional to 74,957.52, 112,427.90 and 22,354.62

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Solution

The fourth proportional to 74,957.52, 112,427.90 and 22,354.62 is: 33,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,957.52 : 112,427.90 = 22,354.62 : x
  2. Step 2: Convert to fraction form
    74,957.52/112,427.90 = 22,354.62/x
  3. Step 3: Cross multiply
    74,957.52x = 112,427.90 × 22,354.62
  4. Step 4: Simplify right side
    74,957.52x = 2,513,282,981.90
  5. Step 5: Solve for x
    x = 2,513,282,981.90/74,957.52
  6. Step 6: Final answer
    x = 33,529.43

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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.