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Finding the Fourth Proportional to 7,545.77, 11,319.15 and 1,999.04

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Solution

The fourth proportional to 7,545.77, 11,319.15 and 1,999.04 is: 2,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.77 : 11,319.15 = 1,999.04 : x
  2. Step 2: Convert to fraction form
    7,545.77/11,319.15 = 1,999.04/x
  3. Step 3: Cross multiply
    7,545.77x = 11,319.15 × 1,999.04
  4. Step 4: Simplify right side
    7,545.77x = 22,627,377.02
  5. Step 5: Solve for x
    x = 22,627,377.02/7,545.77
  6. Step 6: Final answer
    x = 2,998.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.