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Finding the Fourth Proportional to 5,375.66, 8,060.90 and 4,202.69

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Solution

The fourth proportional to 5,375.66, 8,060.90 and 4,202.69 is: 6,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.66 : 8,060.90 = 4,202.69 : x
  2. Step 2: Convert to fraction form
    5,375.66/8,060.90 = 4,202.69/x
  3. Step 3: Cross multiply
    5,375.66x = 8,060.90 × 4,202.69
  4. Step 4: Simplify right side
    5,375.66x = 33,877,463.82
  5. Step 5: Solve for x
    x = 33,877,463.82/5,375.66
  6. Step 6: Final answer
    x = 6,302.01

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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.