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Finding the Fourth Proportional to 45,685.17, 63,064.97 and 27,785.93

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Solution

The fourth proportional to 45,685.17, 63,064.97 and 27,785.93 is: 38,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.17 : 63,064.97 = 27,785.93 : x
  2. Step 2: Convert to fraction form
    45,685.17/63,064.97 = 27,785.93/x
  3. Step 3: Cross multiply
    45,685.17x = 63,064.97 × 27,785.93
  4. Step 4: Simplify right side
    45,685.17x = 1,752,318,387.62
  5. Step 5: Solve for x
    x = 1,752,318,387.62/45,685.17
  6. Step 6: Final answer
    x = 38,356.39

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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.