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Finding the Fourth Proportional to 52,963.62, 73,089.96 and 29,089.68

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Solution

The fourth proportional to 52,963.62, 73,089.96 and 29,089.68 is: 40,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,963.62 : 73,089.96 = 29,089.68 : x
  2. Step 2: Convert to fraction form
    52,963.62/73,089.96 = 29,089.68/x
  3. Step 3: Cross multiply
    52,963.62x = 73,089.96 × 29,089.68
  4. Step 4: Simplify right side
    52,963.62x = 2,126,163,547.61
  5. Step 5: Solve for x
    x = 2,126,163,547.61/52,963.62
  6. Step 6: Final answer
    x = 40,143.85

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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.