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Finding the Fourth Proportional to 6,144.74, 8,479.68 and 3,350.24

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Solution

The fourth proportional to 6,144.74, 8,479.68 and 3,350.24 is: 4,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.74 : 8,479.68 = 3,350.24 : x
  2. Step 2: Convert to fraction form
    6,144.74/8,479.68 = 3,350.24/x
  3. Step 3: Cross multiply
    6,144.74x = 8,479.68 × 3,350.24
  4. Step 4: Simplify right side
    6,144.74x = 28,408,963.12
  5. Step 5: Solve for x
    x = 28,408,963.12/6,144.74
  6. Step 6: Final answer
    x = 4,623.30

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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.