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Finding the Fourth Proportional to 5,598.79, 8,395.14 and 2,781.44

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Solution

The fourth proportional to 5,598.79, 8,395.14 and 2,781.44 is: 4,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.79 : 8,395.14 = 2,781.44 : x
  2. Step 2: Convert to fraction form
    5,598.79/8,395.14 = 2,781.44/x
  3. Step 3: Cross multiply
    5,598.79x = 8,395.14 × 2,781.44
  4. Step 4: Simplify right side
    5,598.79x = 23,350,578.20
  5. Step 5: Solve for x
    x = 23,350,578.20/5,598.79
  6. Step 6: Final answer
    x = 4,170.65

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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.