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Finding the Fourth Proportional to 44,993.76, 67,402.89 and 29,364

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Solution

The fourth proportional to 44,993.76, 67,402.89 and 29,364 is: 43,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,993.76 : 67,402.89 = 29,364 : x
  2. Step 2: Convert to fraction form
    44,993.76/67,402.89 = 29,364/x
  3. Step 3: Cross multiply
    44,993.76x = 67,402.89 × 29,364
  4. Step 4: Simplify right side
    44,993.76x = 1,979,218,461.96
  5. Step 5: Solve for x
    x = 1,979,218,461.96/44,993.76
  6. Step 6: Final answer
    x = 43,988.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.