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Finding the Fourth Proportional to 5,781.08, 8,672.52 and 1,884.58

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Solution

The fourth proportional to 5,781.08, 8,672.52 and 1,884.58 is: 2,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.08 : 8,672.52 = 1,884.58 : x
  2. Step 2: Convert to fraction form
    5,781.08/8,672.52 = 1,884.58/x
  3. Step 3: Cross multiply
    5,781.08x = 8,672.52 × 1,884.58
  4. Step 4: Simplify right side
    5,781.08x = 16,344,057.74
  5. Step 5: Solve for x
    x = 16,344,057.74/5,781.08
  6. Step 6: Final answer
    x = 2,827.16

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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.