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Finding the Fourth Proportional to 7,182.69, 10,767.63 and 2,799.15

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Solution

The fourth proportional to 7,182.69, 10,767.63 and 2,799.15 is: 4,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.69 : 10,767.63 = 2,799.15 : x
  2. Step 2: Convert to fraction form
    7,182.69/10,767.63 = 2,799.15/x
  3. Step 3: Cross multiply
    7,182.69x = 10,767.63 × 2,799.15
  4. Step 4: Simplify right side
    7,182.69x = 30,140,211.51
  5. Step 5: Solve for x
    x = 30,140,211.51/7,182.69
  6. Step 6: Final answer
    x = 4,196.23

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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.