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Finding the Fourth Proportional to 61,948.92, 85,482.24 and 36,449.68

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Solution

The fourth proportional to 61,948.92, 85,482.24 and 36,449.68 is: 50,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,948.92 : 85,482.24 = 36,449.68 : x
  2. Step 2: Convert to fraction form
    61,948.92/85,482.24 = 36,449.68/x
  3. Step 3: Cross multiply
    61,948.92x = 85,482.24 × 36,449.68
  4. Step 4: Simplify right side
    61,948.92x = 3,115,800,293.68
  5. Step 5: Solve for x
    x = 3,115,800,293.68/61,948.92
  6. Step 6: Final answer
    x = 50,296.28

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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.