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Finding the Fourth Proportional to 5,766.63, 8,651.28 and 2,648.79

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Solution

The fourth proportional to 5,766.63, 8,651.28 and 2,648.79 is: 3,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.63 : 8,651.28 = 2,648.79 : x
  2. Step 2: Convert to fraction form
    5,766.63/8,651.28 = 2,648.79/x
  3. Step 3: Cross multiply
    5,766.63x = 8,651.28 × 2,648.79
  4. Step 4: Simplify right side
    5,766.63x = 22,915,423.95
  5. Step 5: Solve for x
    x = 22,915,423.95/5,766.63
  6. Step 6: Final answer
    x = 3,973.80

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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.