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Finding the Fourth Proportional to 61,780.96, 85,253.52 and 34,924.48

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Solution

The fourth proportional to 61,780.96, 85,253.52 and 34,924.48 is: 48,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.96 : 85,253.52 = 34,924.48 : x
  2. Step 2: Convert to fraction form
    61,780.96/85,253.52 = 34,924.48/x
  3. Step 3: Cross multiply
    61,780.96x = 85,253.52 × 34,924.48
  4. Step 4: Simplify right side
    61,780.96x = 2,977,434,854.17
  5. Step 5: Solve for x
    x = 2,977,434,854.17/61,780.96
  6. Step 6: Final answer
    x = 48,193.41

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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.