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Finding the Fourth Proportional to 50,956.71, 70,320.24 and 29,731.88

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Solution

The fourth proportional to 50,956.71, 70,320.24 and 29,731.88 is: 41,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,956.71 : 70,320.24 = 29,731.88 : x
  2. Step 2: Convert to fraction form
    50,956.71/70,320.24 = 29,731.88/x
  3. Step 3: Cross multiply
    50,956.71x = 70,320.24 × 29,731.88
  4. Step 4: Simplify right side
    50,956.71x = 2,090,752,585.65
  5. Step 5: Solve for x
    x = 2,090,752,585.65/50,956.71
  6. Step 6: Final answer
    x = 41,029.98

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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.