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Finding the Fourth Proportional to 6,616.75, 9,925.13 and 2,968.75

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Solution

The fourth proportional to 6,616.75, 9,925.13 and 2,968.75 is: 4,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.75 : 9,925.13 = 2,968.75 : x
  2. Step 2: Convert to fraction form
    6,616.75/9,925.13 = 2,968.75/x
  3. Step 3: Cross multiply
    6,616.75x = 9,925.13 × 2,968.75
  4. Step 4: Simplify right side
    6,616.75x = 29,465,229.69
  5. Step 5: Solve for x
    x = 29,465,229.69/6,616.75
  6. Step 6: Final answer
    x = 4,453.13

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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.