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Finding the Fourth Proportional to 61,481.68, 84,844.96 and 34,624.24

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Solution

The fourth proportional to 61,481.68, 84,844.96 and 34,624.24 is: 47,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481.68 : 84,844.96 = 34,624.24 : x
  2. Step 2: Convert to fraction form
    61,481.68/84,844.96 = 34,624.24/x
  3. Step 3: Cross multiply
    61,481.68x = 84,844.96 × 34,624.24
  4. Step 4: Simplify right side
    61,481.68x = 2,937,692,257.83
  5. Step 5: Solve for x
    x = 2,937,692,257.83/61,481.68
  6. Step 6: Final answer
    x = 47,781.59

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1.5x scale

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.