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Finding the Fourth Proportional to 61,882.47, 85,395.52 and 33,587.55

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Solution

The fourth proportional to 61,882.47, 85,395.52 and 33,587.55 is: 46,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.47 : 85,395.52 = 33,587.55 : x
  2. Step 2: Convert to fraction form
    61,882.47/85,395.52 = 33,587.55/x
  3. Step 3: Cross multiply
    61,882.47x = 85,395.52 × 33,587.55
  4. Step 4: Simplify right side
    61,882.47x = 2,868,225,702.86
  5. Step 5: Solve for x
    x = 2,868,225,702.86/61,882.47
  6. Step 6: Final answer
    x = 46,349.57

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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.