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Finding the Fourth Proportional to 52,962.31, 79,489.03 and 30,744.82

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Solution

The fourth proportional to 52,962.31, 79,489.03 and 30,744.82 is: 46,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,962.31 : 79,489.03 = 30,744.82 : x
  2. Step 2: Convert to fraction form
    52,962.31/79,489.03 = 30,744.82/x
  3. Step 3: Cross multiply
    52,962.31x = 79,489.03 × 30,744.82
  4. Step 4: Simplify right side
    52,962.31x = 2,443,875,765.60
  5. Step 5: Solve for x
    x = 2,443,875,765.60/52,962.31
  6. Step 6: Final answer
    x = 46,143.68

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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.