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Finding the Fourth Proportional to 66,463.43, 99,713.97 and 27,048.83

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Solution

The fourth proportional to 66,463.43, 99,713.97 and 27,048.83 is: 40,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.43 : 99,713.97 = 27,048.83 : x
  2. Step 2: Convert to fraction form
    66,463.43/99,713.97 = 27,048.83/x
  3. Step 3: Cross multiply
    66,463.43x = 99,713.97 × 27,048.83
  4. Step 4: Simplify right side
    66,463.43x = 2,697,145,724.59
  5. Step 5: Solve for x
    x = 2,697,145,724.59/66,463.43
  6. Step 6: Final answer
    x = 40,580.90

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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.