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Finding the Fourth Proportional to 5,817.72, 8,774.13 and 5,714.04

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Solution

The fourth proportional to 5,817.72, 8,774.13 and 5,714.04 is: 8,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.72 : 8,774.13 = 5,714.04 : x
  2. Step 2: Convert to fraction form
    5,817.72/8,774.13 = 5,714.04/x
  3. Step 3: Cross multiply
    5,817.72x = 8,774.13 × 5,714.04
  4. Step 4: Simplify right side
    5,817.72x = 50,135,729.79
  5. Step 5: Solve for x
    x = 50,135,729.79/5,817.72
  6. Step 6: Final answer
    x = 8,617.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.