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Finding the Fourth Proportional to 66,687.01, 92,027.17 and 38,008.38

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Solution

The fourth proportional to 66,687.01, 92,027.17 and 38,008.38 is: 52,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,687.01 : 92,027.17 = 38,008.38 : x
  2. Step 2: Convert to fraction form
    66,687.01/92,027.17 = 38,008.38/x
  3. Step 3: Cross multiply
    66,687.01x = 92,027.17 × 38,008.38
  4. Step 4: Simplify right side
    66,687.01x = 3,497,803,647.68
  5. Step 5: Solve for x
    x = 3,497,803,647.68/66,687.01
  6. Step 6: Final answer
    x = 52,451.05

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1.5x scale

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.