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Finding the Fourth Proportional to 61,440.84, 92,197.11 and 25,899.99

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Solution

The fourth proportional to 61,440.84, 92,197.11 and 25,899.99 is: 38,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,440.84 : 92,197.11 = 25,899.99 : x
  2. Step 2: Convert to fraction form
    61,440.84/92,197.11 = 25,899.99/x
  3. Step 3: Cross multiply
    61,440.84x = 92,197.11 × 25,899.99
  4. Step 4: Simplify right side
    61,440.84x = 2,387,904,227.03
  5. Step 5: Solve for x
    x = 2,387,904,227.03/61,440.84
  6. Step 6: Final answer
    x = 38,865.10

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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.