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Finding the Fourth Proportional to 5,909.79, 8,867.79 and 2,625.24

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Solution

The fourth proportional to 5,909.79, 8,867.79 and 2,625.24 is: 3,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.79 : 8,867.79 = 2,625.24 : x
  2. Step 2: Convert to fraction form
    5,909.79/8,867.79 = 2,625.24/x
  3. Step 3: Cross multiply
    5,909.79x = 8,867.79 × 2,625.24
  4. Step 4: Simplify right side
    5,909.79x = 23,280,077.02
  5. Step 5: Solve for x
    x = 23,280,077.02/5,909.79
  6. Step 6: Final answer
    x = 3,939.24

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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.