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Finding the Fourth Proportional to 48,773.88, 67,312.62 and 29,652.21

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Solution

The fourth proportional to 48,773.88, 67,312.62 and 29,652.21 is: 40,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,773.88 : 67,312.62 = 29,652.21 : x
  2. Step 2: Convert to fraction form
    48,773.88/67,312.62 = 29,652.21/x
  3. Step 3: Cross multiply
    48,773.88x = 67,312.62 × 29,652.21
  4. Step 4: Simplify right side
    48,773.88x = 1,995,967,943.89
  5. Step 5: Solve for x
    x = 1,995,967,943.89/48,773.88
  6. Step 6: Final answer
    x = 40,922.89

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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.