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Finding the Fourth Proportional to 6,375.74, 8,798.90 and 3,543.13

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Solution

The fourth proportional to 6,375.74, 8,798.90 and 3,543.13 is: 4,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.74 : 8,798.90 = 3,543.13 : x
  2. Step 2: Convert to fraction form
    6,375.74/8,798.90 = 3,543.13/x
  3. Step 3: Cross multiply
    6,375.74x = 8,798.90 × 3,543.13
  4. Step 4: Simplify right side
    6,375.74x = 31,175,633.42
  5. Step 5: Solve for x
    x = 31,175,633.42/6,375.74
  6. Step 6: Final answer
    x = 4,889.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.