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Finding the Fourth Proportional to 61,886.52, 85,403.50 and 33,592.20

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Solution

The fourth proportional to 61,886.52, 85,403.50 and 33,592.20 is: 46,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,886.52 : 85,403.50 = 33,592.20 : x
  2. Step 2: Convert to fraction form
    61,886.52/85,403.50 = 33,592.20/x
  3. Step 3: Cross multiply
    61,886.52x = 85,403.50 × 33,592.20
  4. Step 4: Simplify right side
    61,886.52x = 2,868,891,452.70
  5. Step 5: Solve for x
    x = 2,868,891,452.70/61,886.52
  6. Step 6: Final answer
    x = 46,357.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.