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Finding the Fourth Proportional to 5,771.60, 8,651.22 and 4,123.15

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Solution

The fourth proportional to 5,771.60, 8,651.22 and 4,123.15 is: 6,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.60 : 8,651.22 = 4,123.15 : x
  2. Step 2: Convert to fraction form
    5,771.60/8,651.22 = 4,123.15/x
  3. Step 3: Cross multiply
    5,771.60x = 8,651.22 × 4,123.15
  4. Step 4: Simplify right side
    5,771.60x = 35,670,277.74
  5. Step 5: Solve for x
    x = 35,670,277.74/5,771.60
  6. Step 6: Final answer
    x = 6,180.31

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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.