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Finding the Fourth Proportional to 48,502.80, 66,934.42 and 27,281.88

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Solution

The fourth proportional to 48,502.80, 66,934.42 and 27,281.88 is: 37,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502.80 : 66,934.42 = 27,281.88 : x
  2. Step 2: Convert to fraction form
    48,502.80/66,934.42 = 27,281.88/x
  3. Step 3: Cross multiply
    48,502.80x = 66,934.42 × 27,281.88
  4. Step 4: Simplify right side
    48,502.80x = 1,826,096,746.10
  5. Step 5: Solve for x
    x = 1,826,096,746.10/48,502.80
  6. Step 6: Final answer
    x = 37,649.31

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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.