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Finding the Fourth Proportional to 3,049.92, 4,574.88 and 970.24

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Solution

The fourth proportional to 3,049.92, 4,574.88 and 970.24 is: 1,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.92 : 4,574.88 = 970.24 : x
  2. Step 2: Convert to fraction form
    3,049.92/4,574.88 = 970.24/x
  3. Step 3: Cross multiply
    3,049.92x = 4,574.88 × 970.24
  4. Step 4: Simplify right side
    3,049.92x = 4,438,731.57
  5. Step 5: Solve for x
    x = 4,438,731.57/3,049.92
  6. Step 6: Final answer
    x = 1,455.36

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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.