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Finding the Fourth Proportional to 59,358.69, 89,083.17 and 21,954.15

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Solution

The fourth proportional to 59,358.69, 89,083.17 and 21,954.15 is: 32,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,358.69 : 89,083.17 = 21,954.15 : x
  2. Step 2: Convert to fraction form
    59,358.69/89,083.17 = 21,954.15/x
  3. Step 3: Cross multiply
    59,358.69x = 89,083.17 × 21,954.15
  4. Step 4: Simplify right side
    59,358.69x = 1,955,745,276.66
  5. Step 5: Solve for x
    x = 1,955,745,276.66/59,358.69
  6. Step 6: Final answer
    x = 32,947.92

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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.