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Finding the Fourth Proportional to 61,752.68, 85,221.62 and 36,260.16

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Solution

The fourth proportional to 61,752.68, 85,221.62 and 36,260.16 is: 50,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.68 : 85,221.62 = 36,260.16 : x
  2. Step 2: Convert to fraction form
    61,752.68/85,221.62 = 36,260.16/x
  3. Step 3: Cross multiply
    61,752.68x = 85,221.62 × 36,260.16
  4. Step 4: Simplify right side
    61,752.68x = 3,090,149,211.75
  5. Step 5: Solve for x
    x = 3,090,149,211.75/61,752.68
  6. Step 6: Final answer
    x = 50,040.73

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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.