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Finding the Fourth Proportional to 59,679.92, 89,513.17 and 15,307.71

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Solution

The fourth proportional to 59,679.92, 89,513.17 and 15,307.71 is: 22,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,679.92 : 89,513.17 = 15,307.71 : x
  2. Step 2: Convert to fraction form
    59,679.92/89,513.17 = 15,307.71/x
  3. Step 3: Cross multiply
    59,679.92x = 89,513.17 × 15,307.71
  4. Step 4: Simplify right side
    59,679.92x = 1,370,241,647.54
  5. Step 5: Solve for x
    x = 1,370,241,647.54/59,679.92
  6. Step 6: Final answer
    x = 22,959.84

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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.