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Finding the Fourth Proportional to 48,559.80, 72,842.10 and 25,231.80

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Solution

The fourth proportional to 48,559.80, 72,842.10 and 25,231.80 is: 37,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.80 : 72,842.10 = 25,231.80 : x
  2. Step 2: Convert to fraction form
    48,559.80/72,842.10 = 25,231.80/x
  3. Step 3: Cross multiply
    48,559.80x = 72,842.10 × 25,231.80
  4. Step 4: Simplify right side
    48,559.80x = 1,837,937,298.78
  5. Step 5: Solve for x
    x = 1,837,937,298.78/48,559.80
  6. Step 6: Final answer
    x = 37,848.95

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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.