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Finding the Fourth Proportional to 5,661.62, 8,488.56 and 2,882.92

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Solution

The fourth proportional to 5,661.62, 8,488.56 and 2,882.92 is: 4,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.62 : 8,488.56 = 2,882.92 : x
  2. Step 2: Convert to fraction form
    5,661.62/8,488.56 = 2,882.92/x
  3. Step 3: Cross multiply
    5,661.62x = 8,488.56 × 2,882.92
  4. Step 4: Simplify right side
    5,661.62x = 24,471,782.54
  5. Step 5: Solve for x
    x = 24,471,782.54/5,661.62
  6. Step 6: Final answer
    x = 4,322.40

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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.