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Finding the Fourth Proportional to 5,780.88, 8,672.62 and 1,832.38

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Solution

The fourth proportional to 5,780.88, 8,672.62 and 1,832.38 is: 2,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.88 : 8,672.62 = 1,832.38 : x
  2. Step 2: Convert to fraction form
    5,780.88/8,672.62 = 1,832.38/x
  3. Step 3: Cross multiply
    5,780.88x = 8,672.62 × 1,832.38
  4. Step 4: Simplify right side
    5,780.88x = 15,891,535.44
  5. Step 5: Solve for x
    x = 15,891,535.44/5,780.88
  6. Step 6: Final answer
    x = 2,748.98

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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.