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Finding the Fourth Proportional to 54,668.10, 82,002.15 and 36,005.70

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Solution

The fourth proportional to 54,668.10, 82,002.15 and 36,005.70 is: 54,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668.10 : 82,002.15 = 36,005.70 : x
  2. Step 2: Convert to fraction form
    54,668.10/82,002.15 = 36,005.70/x
  3. Step 3: Cross multiply
    54,668.10x = 82,002.15 × 36,005.70
  4. Step 4: Simplify right side
    54,668.10x = 2,952,544,812.26
  5. Step 5: Solve for x
    x = 2,952,544,812.26/54,668.10
  6. Step 6: Final answer
    x = 54,008.55

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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.