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Finding the Fourth Proportional to 54,670.10, 82,005.15 and 36,007.70

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Solution

The fourth proportional to 54,670.10, 82,005.15 and 36,007.70 is: 54,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,670.10 : 82,005.15 = 36,007.70 : x
  2. Step 2: Convert to fraction form
    54,670.10/82,005.15 = 36,007.70/x
  3. Step 3: Cross multiply
    54,670.10x = 82,005.15 × 36,007.70
  4. Step 4: Simplify right side
    54,670.10x = 2,952,816,839.66
  5. Step 5: Solve for x
    x = 2,952,816,839.66/54,670.10
  6. Step 6: Final answer
    x = 54,011.55

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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.