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Finding the Fourth Proportional to 61,276.92, 84,549.04 and 35,771.71

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Solution

The fourth proportional to 61,276.92, 84,549.04 and 35,771.71 is: 49,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,276.92 : 84,549.04 = 35,771.71 : x
  2. Step 2: Convert to fraction form
    61,276.92/84,549.04 = 35,771.71/x
  3. Step 3: Cross multiply
    61,276.92x = 84,549.04 × 35,771.71
  4. Step 4: Simplify right side
    61,276.92x = 3,024,464,046.08
  5. Step 5: Solve for x
    x = 3,024,464,046.08/61,276.92
  6. Step 6: Final answer
    x = 49,357.31

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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.