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Finding the Fourth Proportional to 66,674.97, 92,020.11 and 38,004.93

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Solution

The fourth proportional to 66,674.97, 92,020.11 and 38,004.93 is: 52,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,674.97 : 92,020.11 = 38,004.93 : x
  2. Step 2: Convert to fraction form
    66,674.97/92,020.11 = 38,004.93/x
  3. Step 3: Cross multiply
    66,674.97x = 92,020.11 × 38,004.93
  4. Step 4: Simplify right side
    66,674.97x = 3,497,217,696.62
  5. Step 5: Solve for x
    x = 3,497,217,696.62/66,674.97
  6. Step 6: Final answer
    x = 52,451.73

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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.