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Finding the Fourth Proportional to 48,900.80, 73,354.02 and 13,837.52

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Solution

The fourth proportional to 48,900.80, 73,354.02 and 13,837.52 is: 20,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,900.80 : 73,354.02 = 13,837.52 : x
  2. Step 2: Convert to fraction form
    48,900.80/73,354.02 = 13,837.52/x
  3. Step 3: Cross multiply
    48,900.80x = 73,354.02 × 13,837.52
  4. Step 4: Simplify right side
    48,900.80x = 1,015,037,718.83
  5. Step 5: Solve for x
    x = 1,015,037,718.83/48,900.80
  6. Step 6: Final answer
    x = 20,757.08

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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.