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Finding the Fourth Proportional to 61,452.72, 92,214.86 and 25,911.81

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Solution

The fourth proportional to 61,452.72, 92,214.86 and 25,911.81 is: 38,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,452.72 : 92,214.86 = 25,911.81 : x
  2. Step 2: Convert to fraction form
    61,452.72/92,214.86 = 25,911.81/x
  3. Step 3: Cross multiply
    61,452.72x = 92,214.86 × 25,911.81
  4. Step 4: Simplify right side
    61,452.72x = 2,389,453,801.94
  5. Step 5: Solve for x
    x = 2,389,453,801.94/61,452.72
  6. Step 6: Final answer
    x = 38,882.80

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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.