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Finding the Fourth Proportional to 3,031.44, 4,545.36 and 950.88

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Solution

The fourth proportional to 3,031.44, 4,545.36 and 950.88 is: 1,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.44 : 4,545.36 = 950.88 : x
  2. Step 2: Convert to fraction form
    3,031.44/4,545.36 = 950.88/x
  3. Step 3: Cross multiply
    3,031.44x = 4,545.36 × 950.88
  4. Step 4: Simplify right side
    3,031.44x = 4,322,091.92
  5. Step 5: Solve for x
    x = 4,322,091.92/3,031.44
  6. Step 6: Final answer
    x = 1,425.76

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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.