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Finding the Fourth Proportional to 61,650.48, 92,468.49 and 17,280.81

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Solution

The fourth proportional to 61,650.48, 92,468.49 and 17,280.81 is: 25,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.48 : 92,468.49 = 17,280.81 : x
  2. Step 2: Convert to fraction form
    61,650.48/92,468.49 = 17,280.81/x
  3. Step 3: Cross multiply
    61,650.48x = 92,468.49 × 17,280.81
  4. Step 4: Simplify right side
    61,650.48x = 1,597,930,341.87
  5. Step 5: Solve for x
    x = 1,597,930,341.87/61,650.48
  6. Step 6: Final answer
    x = 25,919.19

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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.