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Finding the Fourth Proportional to 5,661.79, 8,476.93 and 2,882.47

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Solution

The fourth proportional to 5,661.79, 8,476.93 and 2,882.47 is: 4,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.79 : 8,476.93 = 2,882.47 : x
  2. Step 2: Convert to fraction form
    5,661.79/8,476.93 = 2,882.47/x
  3. Step 3: Cross multiply
    5,661.79x = 8,476.93 × 2,882.47
  4. Step 4: Simplify right side
    5,661.79x = 24,434,496.42
  5. Step 5: Solve for x
    x = 24,434,496.42/5,661.79
  6. Step 6: Final answer
    x = 4,315.68

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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.