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Finding the Fourth Proportional to 58,335.64, 87,414.29 and 39,289.84

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Solution

The fourth proportional to 58,335.64, 87,414.29 and 39,289.84 is: 58,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,335.64 : 87,414.29 = 39,289.84 : x
  2. Step 2: Convert to fraction form
    58,335.64/87,414.29 = 39,289.84/x
  3. Step 3: Cross multiply
    58,335.64x = 87,414.29 × 39,289.84
  4. Step 4: Simplify right side
    58,335.64x = 3,434,493,200.17
  5. Step 5: Solve for x
    x = 3,434,493,200.17/58,335.64
  6. Step 6: Final answer
    x = 58,874.70

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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.