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Finding the Fourth Proportional to 6,671.19, 9,213.50 and 4,442.50

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Solution

The fourth proportional to 6,671.19, 9,213.50 and 4,442.50 is: 6,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.19 : 9,213.50 = 4,442.50 : x
  2. Step 2: Convert to fraction form
    6,671.19/9,213.50 = 4,442.50/x
  3. Step 3: Cross multiply
    6,671.19x = 9,213.50 × 4,442.50
  4. Step 4: Simplify right side
    6,671.19x = 40,930,919.56
  5. Step 5: Solve for x
    x = 40,930,919.56/6,671.19
  6. Step 6: Final answer
    x = 6,135.48

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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.