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Finding the Fourth Proportional to 2,966.65, 4,450.19 and 886.48

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Solution

The fourth proportional to 2,966.65, 4,450.19 and 886.48 is: 1,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.65 : 4,450.19 = 886.48 : x
  2. Step 2: Convert to fraction form
    2,966.65/4,450.19 = 886.48/x
  3. Step 3: Cross multiply
    2,966.65x = 4,450.19 × 886.48
  4. Step 4: Simplify right side
    2,966.65x = 3,944,988.87
  5. Step 5: Solve for x
    x = 3,944,988.87/2,966.65
  6. Step 6: Final answer
    x = 1,329.78

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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.