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Finding the Fourth Proportional to 5,979.68, 8,969.52 and 2,514.72

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Solution

The fourth proportional to 5,979.68, 8,969.52 and 2,514.72 is: 3,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.68 : 8,969.52 = 2,514.72 : x
  2. Step 2: Convert to fraction form
    5,979.68/8,969.52 = 2,514.72/x
  3. Step 3: Cross multiply
    5,979.68x = 8,969.52 × 2,514.72
  4. Step 4: Simplify right side
    5,979.68x = 22,555,831.33
  5. Step 5: Solve for x
    x = 22,555,831.33/5,979.68
  6. Step 6: Final answer
    x = 3,772.08

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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.