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Finding the Fourth Proportional to 6,249.60, 9,368.10 and 3,124.80

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Solution

The fourth proportional to 6,249.60, 9,368.10 and 3,124.80 is: 4,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.60 : 9,368.10 = 3,124.80 : x
  2. Step 2: Convert to fraction form
    6,249.60/9,368.10 = 3,124.80/x
  3. Step 3: Cross multiply
    6,249.60x = 9,368.10 × 3,124.80
  4. Step 4: Simplify right side
    6,249.60x = 29,273,438.88
  5. Step 5: Solve for x
    x = 29,273,438.88/6,249.60
  6. Step 6: Final answer
    x = 4,684.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.