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Finding the Fourth Proportional to 7,375.54, 10,177.88 and 4,018.14

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Solution

The fourth proportional to 7,375.54, 10,177.88 and 4,018.14 is: 5,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.54 : 10,177.88 = 4,018.14 : x
  2. Step 2: Convert to fraction form
    7,375.54/10,177.88 = 4,018.14/x
  3. Step 3: Cross multiply
    7,375.54x = 10,177.88 × 4,018.14
  4. Step 4: Simplify right side
    7,375.54x = 40,896,146.74
  5. Step 5: Solve for x
    x = 40,896,146.74/7,375.54
  6. Step 6: Final answer
    x = 5,544.83

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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.