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Finding the Fourth Proportional to 6,672.10, 9,206.13 and 4,018.90

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Solution

The fourth proportional to 6,672.10, 9,206.13 and 4,018.90 is: 5,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.10 : 9,206.13 = 4,018.90 : x
  2. Step 2: Convert to fraction form
    6,672.10/9,206.13 = 4,018.90/x
  3. Step 3: Cross multiply
    6,672.10x = 9,206.13 × 4,018.90
  4. Step 4: Simplify right side
    6,672.10x = 36,998,515.86
  5. Step 5: Solve for x
    x = 36,998,515.86/6,672.10
  6. Step 6: Final answer
    x = 5,545.26

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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.