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Finding the Fourth Proportional to 48,791.88, 67,337.46 and 29,670.21

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Solution

The fourth proportional to 48,791.88, 67,337.46 and 29,670.21 is: 40,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,791.88 : 67,337.46 = 29,670.21 : x
  2. Step 2: Convert to fraction form
    48,791.88/67,337.46 = 29,670.21/x
  3. Step 3: Cross multiply
    48,791.88x = 67,337.46 × 29,670.21
  4. Step 4: Simplify right side
    48,791.88x = 1,997,916,579.07
  5. Step 5: Solve for x
    x = 1,997,916,579.07/48,791.88
  6. Step 6: Final answer
    x = 40,947.73

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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.