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Finding the Fourth Proportional to 84,652.55, 127,005.15 and 34,736.71

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Solution

The fourth proportional to 84,652.55, 127,005.15 and 34,736.71 is: 52,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,652.55 : 127,005.15 = 34,736.71 : x
  2. Step 2: Convert to fraction form
    84,652.55/127,005.15 = 34,736.71/x
  3. Step 3: Cross multiply
    84,652.55x = 127,005.15 × 34,736.71
  4. Step 4: Simplify right side
    84,652.55x = 4,411,741,064.06
  5. Step 5: Solve for x
    x = 4,411,741,064.06/84,652.55
  6. Step 6: Final answer
    x = 52,115.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.