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Finding the Fourth Proportional to 57,982.62, 87,006.74 and 24,699.21

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Solution

The fourth proportional to 57,982.62, 87,006.74 and 24,699.21 is: 37,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,982.62 : 87,006.74 = 24,699.21 : x
  2. Step 2: Convert to fraction form
    57,982.62/87,006.74 = 24,699.21/x
  3. Step 3: Cross multiply
    57,982.62x = 87,006.74 × 24,699.21
  4. Step 4: Simplify right side
    57,982.62x = 2,148,997,619.18
  5. Step 5: Solve for x
    x = 2,148,997,619.18/57,982.62
  6. Step 6: Final answer
    x = 37,062.79

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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.