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Finding the Fourth Proportional to 3,049.21, 4,572.18 and 968.65

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Solution

The fourth proportional to 3,049.21, 4,572.18 and 968.65 is: 1,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.21 : 4,572.18 = 968.65 : x
  2. Step 2: Convert to fraction form
    3,049.21/4,572.18 = 968.65/x
  3. Step 3: Cross multiply
    3,049.21x = 4,572.18 × 968.65
  4. Step 4: Simplify right side
    3,049.21x = 4,428,842.16
  5. Step 5: Solve for x
    x = 4,428,842.16/3,049.21
  6. Step 6: Final answer
    x = 1,452.46

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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.