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Finding the Fourth Proportional to 61,508.92, 92,237.52 and 21,519.36

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Solution

The fourth proportional to 61,508.92, 92,237.52 and 21,519.36 is: 32,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508.92 : 92,237.52 = 21,519.36 : x
  2. Step 2: Convert to fraction form
    61,508.92/92,237.52 = 21,519.36/x
  3. Step 3: Cross multiply
    61,508.92x = 92,237.52 × 21,519.36
  4. Step 4: Simplify right side
    61,508.92x = 1,984,892,398.39
  5. Step 5: Solve for x
    x = 1,984,892,398.39/61,508.92
  6. Step 6: Final answer
    x = 32,269.99

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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.