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Finding the Fourth Proportional to 61,620.72, 92,423.94 and 17,251.02

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Solution

The fourth proportional to 61,620.72, 92,423.94 and 17,251.02 is: 25,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620.72 : 92,423.94 = 17,251.02 : x
  2. Step 2: Convert to fraction form
    61,620.72/92,423.94 = 17,251.02/x
  3. Step 3: Cross multiply
    61,620.72x = 92,423.94 × 17,251.02
  4. Step 4: Simplify right side
    61,620.72x = 1,594,407,237.42
  5. Step 5: Solve for x
    x = 1,594,407,237.42/61,620.72
  6. Step 6: Final answer
    x = 25,874.53

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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.