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Finding the Fourth Proportional to 61,959.15, 85,507.86 and 35,101.88

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Solution

The fourth proportional to 61,959.15, 85,507.86 and 35,101.88 is: 48,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,959.15 : 85,507.86 = 35,101.88 : x
  2. Step 2: Convert to fraction form
    61,959.15/85,507.86 = 35,101.88/x
  3. Step 3: Cross multiply
    61,959.15x = 85,507.86 × 35,101.88
  4. Step 4: Simplify right side
    61,959.15x = 3,001,486,037.73
  5. Step 5: Solve for x
    x = 3,001,486,037.73/61,959.15
  6. Step 6: Final answer
    x = 48,442.98

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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.