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Finding the Fourth Proportional to 48,540.48, 72,828.24 and 16,955.20

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Solution

The fourth proportional to 48,540.48, 72,828.24 and 16,955.20 is: 25,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,540.48 : 72,828.24 = 16,955.20 : x
  2. Step 2: Convert to fraction form
    48,540.48/72,828.24 = 16,955.20/x
  3. Step 3: Cross multiply
    48,540.48x = 72,828.24 × 16,955.20
  4. Step 4: Simplify right side
    48,540.48x = 1,234,817,374.85
  5. Step 5: Solve for x
    x = 1,234,817,374.85/48,540.48
  6. Step 6: Final answer
    x = 25,438.92

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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.