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Finding the Fourth Proportional to 61,491.68, 92,187.70 and 25,929.98

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Solution

The fourth proportional to 61,491.68, 92,187.70 and 25,929.98 is: 38,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,491.68 : 92,187.70 = 25,929.98 : x
  2. Step 2: Convert to fraction form
    61,491.68/92,187.70 = 25,929.98/x
  3. Step 3: Cross multiply
    61,491.68x = 92,187.70 × 25,929.98
  4. Step 4: Simplify right side
    61,491.68x = 2,390,425,217.25
  5. Step 5: Solve for x
    x = 2,390,425,217.25/61,491.68
  6. Step 6: Final answer
    x = 38,873.96

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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.