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Finding the Fourth Proportional to 61,242.44, 91,863.60 and 16,869.44

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Solution

The fourth proportional to 61,242.44, 91,863.60 and 16,869.44 is: 25,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,242.44 : 91,863.60 = 16,869.44 : x
  2. Step 2: Convert to fraction form
    61,242.44/91,863.60 = 16,869.44/x
  3. Step 3: Cross multiply
    61,242.44x = 91,863.60 × 16,869.44
  4. Step 4: Simplify right side
    61,242.44x = 1,549,687,488.38
  5. Step 5: Solve for x
    x = 1,549,687,488.38/61,242.44
  6. Step 6: Final answer
    x = 25,304.14

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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.