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Finding the Fourth Proportional to 7,375.38, 10,178.02 and 4,063.38

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Solution

The fourth proportional to 7,375.38, 10,178.02 and 4,063.38 is: 5,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.38 : 10,178.02 = 4,063.38 : x
  2. Step 2: Convert to fraction form
    7,375.38/10,178.02 = 4,063.38/x
  3. Step 3: Cross multiply
    7,375.38x = 10,178.02 × 4,063.38
  4. Step 4: Simplify right side
    7,375.38x = 41,357,162.91
  5. Step 5: Solve for x
    x = 41,357,162.91/7,375.38
  6. Step 6: Final answer
    x = 5,607.46

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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.