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Finding the Fourth Proportional to 59,267.70, 88,936.92 and 21,313.80

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Solution

The fourth proportional to 59,267.70, 88,936.92 and 21,313.80 is: 31,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,267.70 : 88,936.92 = 21,313.80 : x
  2. Step 2: Convert to fraction form
    59,267.70/88,936.92 = 21,313.80/x
  3. Step 3: Cross multiply
    59,267.70x = 88,936.92 × 21,313.80
  4. Step 4: Simplify right side
    59,267.70x = 1,895,583,725.50
  5. Step 5: Solve for x
    x = 1,895,583,725.50/59,267.70
  6. Step 6: Final answer
    x = 31,983.42

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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.