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Finding the Fourth Proportional to 27,552.96, 38,019.96 and 15,613.74

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Solution

The fourth proportional to 27,552.96, 38,019.96 and 15,613.74 is: 21,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,552.96 : 38,019.96 = 15,613.74 : x
  2. Step 2: Convert to fraction form
    27,552.96/38,019.96 = 15,613.74/x
  3. Step 3: Cross multiply
    27,552.96x = 38,019.96 × 15,613.74
  4. Step 4: Simplify right side
    27,552.96x = 593,633,770.25
  5. Step 5: Solve for x
    x = 593,633,770.25/27,552.96
  6. Step 6: Final answer
    x = 21,545.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.