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Finding the Fourth Proportional to 59,481, 89,221.50 and 22,545

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Solution

The fourth proportional to 59,481, 89,221.50 and 22,545 is: 33,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,481 : 89,221.50 = 22,545 : x
  2. Step 2: Convert to fraction form
    59,481/89,221.50 = 22,545/x
  3. Step 3: Cross multiply
    59,481x = 89,221.50 × 22,545
  4. Step 4: Simplify right side
    59,481x = 2,011,498,717.50
  5. Step 5: Solve for x
    x = 2,011,498,717.50/59,481
  6. Step 6: Final answer
    x = 33,817.50

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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.