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Finding the Fourth Proportional to 61,884.76, 85,393.85 and 34,657.04

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Solution

The fourth proportional to 61,884.76, 85,393.85 and 34,657.04 is: 47,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,884.76 : 85,393.85 = 34,657.04 : x
  2. Step 2: Convert to fraction form
    61,884.76/85,393.85 = 34,657.04/x
  3. Step 3: Cross multiply
    61,884.76x = 85,393.85 × 34,657.04
  4. Step 4: Simplify right side
    61,884.76x = 2,959,497,474.95
  5. Step 5: Solve for x
    x = 2,959,497,474.95/61,884.76
  6. Step 6: Final answer
    x = 47,822.72

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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.