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Finding the Fourth Proportional to 7,375.34, 10,177.92 and 4,018.16

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Solution

The fourth proportional to 7,375.34, 10,177.92 and 4,018.16 is: 5,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.34 : 10,177.92 = 4,018.16 : x
  2. Step 2: Convert to fraction form
    7,375.34/10,177.92 = 4,018.16/x
  3. Step 3: Cross multiply
    7,375.34x = 10,177.92 × 4,018.16
  4. Step 4: Simplify right side
    7,375.34x = 40,896,460.14
  5. Step 5: Solve for x
    x = 40,896,460.14/7,375.34
  6. Step 6: Final answer
    x = 5,545.03

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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.