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Finding the Fourth Proportional to 8,759.64, 13,144.92 and 3,565.50

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Solution

The fourth proportional to 8,759.64, 13,144.92 and 3,565.50 is: 5,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.64 : 13,144.92 = 3,565.50 : x
  2. Step 2: Convert to fraction form
    8,759.64/13,144.92 = 3,565.50/x
  3. Step 3: Cross multiply
    8,759.64x = 13,144.92 × 3,565.50
  4. Step 4: Simplify right side
    8,759.64x = 46,868,212.26
  5. Step 5: Solve for x
    x = 46,868,212.26/8,759.64
  6. Step 6: Final answer
    x = 5,350.47

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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.