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Finding the Fourth Proportional to 4,019.86, 5,547.41 and 2,251.47

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Solution

The fourth proportional to 4,019.86, 5,547.41 and 2,251.47 is: 3,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.86 : 5,547.41 = 2,251.47 : x
  2. Step 2: Convert to fraction form
    4,019.86/5,547.41 = 2,251.47/x
  3. Step 3: Cross multiply
    4,019.86x = 5,547.41 × 2,251.47
  4. Step 4: Simplify right side
    4,019.86x = 12,489,795.13
  5. Step 5: Solve for x
    x = 12,489,795.13/4,019.86
  6. Step 6: Final answer
    x = 3,107.02

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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.