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Finding the Fourth Proportional to 66,808.61, 92,195.87 and 36,595.82

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Solution

The fourth proportional to 66,808.61, 92,195.87 and 36,595.82 is: 50,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,808.61 : 92,195.87 = 36,595.82 : x
  2. Step 2: Convert to fraction form
    66,808.61/92,195.87 = 36,595.82/x
  3. Step 3: Cross multiply
    66,808.61x = 92,195.87 × 36,595.82
  4. Step 4: Simplify right side
    66,808.61x = 3,373,982,819.30
  5. Step 5: Solve for x
    x = 3,373,982,819.30/66,808.61
  6. Step 6: Final answer
    x = 50,502.21

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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.