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Finding the Fourth Proportional to 48,306.88, 66,650.87 and 27,883.94

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Solution

The fourth proportional to 48,306.88, 66,650.87 and 27,883.94 is: 38,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,306.88 : 66,650.87 = 27,883.94 : x
  2. Step 2: Convert to fraction form
    48,306.88/66,650.87 = 27,883.94/x
  3. Step 3: Cross multiply
    48,306.88x = 66,650.87 × 27,883.94
  4. Step 4: Simplify right side
    48,306.88x = 1,858,488,860.03
  5. Step 5: Solve for x
    x = 1,858,488,860.03/48,306.88
  6. Step 6: Final answer
    x = 38,472.55

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1.5x scale

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.