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Finding the Fourth Proportional to 5,781.88, 8,675.52 and 3,007.09

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Solution

The fourth proportional to 5,781.88, 8,675.52 and 3,007.09 is: 4,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.88 : 8,675.52 = 3,007.09 : x
  2. Step 2: Convert to fraction form
    5,781.88/8,675.52 = 3,007.09/x
  3. Step 3: Cross multiply
    5,781.88x = 8,675.52 × 3,007.09
  4. Step 4: Simplify right side
    5,781.88x = 26,088,069.44
  5. Step 5: Solve for x
    x = 26,088,069.44/5,781.88
  6. Step 6: Final answer
    x = 4,512.04

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1.5x scale

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.