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Finding the Fourth Proportional to 48,805.96, 73,209.42 and 13,746.28

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Solution

The fourth proportional to 48,805.96, 73,209.42 and 13,746.28 is: 20,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,805.96 : 73,209.42 = 13,746.28 : x
  2. Step 2: Convert to fraction form
    48,805.96/73,209.42 = 13,746.28/x
  3. Step 3: Cross multiply
    48,805.96x = 73,209.42 × 13,746.28
  4. Step 4: Simplify right side
    48,805.96x = 1,006,357,185.96
  5. Step 5: Solve for x
    x = 1,006,357,185.96/48,805.96
  6. Step 6: Final answer
    x = 20,619.56

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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.