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Finding the Fourth Proportional to 5,366.60, 7,392.02 and 3,791.96

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Solution

The fourth proportional to 5,366.60, 7,392.02 and 3,791.96 is: 5,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.60 : 7,392.02 = 3,791.96 : x
  2. Step 2: Convert to fraction form
    5,366.60/7,392.02 = 3,791.96/x
  3. Step 3: Cross multiply
    5,366.60x = 7,392.02 × 3,791.96
  4. Step 4: Simplify right side
    5,366.60x = 28,030,244.16
  5. Step 5: Solve for x
    x = 28,030,244.16/5,366.60
  6. Step 6: Final answer
    x = 5,223.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.