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Finding the Fourth Proportional to 58,042.92, 87,056.64 and 26,418.90

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Solution

The fourth proportional to 58,042.92, 87,056.64 and 26,418.90 is: 39,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,042.92 : 87,056.64 = 26,418.90 : x
  2. Step 2: Convert to fraction form
    58,042.92/87,056.64 = 26,418.90/x
  3. Step 3: Cross multiply
    58,042.92x = 87,056.64 × 26,418.90
  4. Step 4: Simplify right side
    58,042.92x = 2,299,940,666.50
  5. Step 5: Solve for x
    x = 2,299,940,666.50/58,042.92
  6. Step 6: Final answer
    x = 39,624.83

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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.