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Finding the Fourth Proportional to 58,282.56, 80,420.04 and 34,400.52

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Solution

The fourth proportional to 58,282.56, 80,420.04 and 34,400.52 is: 47,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,282.56 : 80,420.04 = 34,400.52 : x
  2. Step 2: Convert to fraction form
    58,282.56/80,420.04 = 34,400.52/x
  3. Step 3: Cross multiply
    58,282.56x = 80,420.04 × 34,400.52
  4. Step 4: Simplify right side
    58,282.56x = 2,766,491,194.42
  5. Step 5: Solve for x
    x = 2,766,491,194.42/58,282.56
  6. Step 6: Final answer
    x = 47,466.88

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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.