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Finding the Fourth Proportional to 61,651.68, 85,079.61 and 34,795.32

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Solution

The fourth proportional to 61,651.68, 85,079.61 and 34,795.32 is: 48,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.68 : 85,079.61 = 34,795.32 : x
  2. Step 2: Convert to fraction form
    61,651.68/85,079.61 = 34,795.32/x
  3. Step 3: Cross multiply
    61,651.68x = 85,079.61 × 34,795.32
  4. Step 4: Simplify right side
    61,651.68x = 2,960,372,255.43
  5. Step 5: Solve for x
    x = 2,960,372,255.43/61,651.68
  6. Step 6: Final answer
    x = 48,017.71

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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.