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Finding the Fourth Proportional to 5,860.16, 8,790.24 and 2,781.44

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Solution

The fourth proportional to 5,860.16, 8,790.24 and 2,781.44 is: 4,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.16 : 8,790.24 = 2,781.44 : x
  2. Step 2: Convert to fraction form
    5,860.16/8,790.24 = 2,781.44/x
  3. Step 3: Cross multiply
    5,860.16x = 8,790.24 × 2,781.44
  4. Step 4: Simplify right side
    5,860.16x = 24,449,525.15
  5. Step 5: Solve for x
    x = 24,449,525.15/5,860.16
  6. Step 6: Final answer
    x = 4,172.16

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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.