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Finding the Fourth Proportional to 5,523.24, 7,621.56 and 3,165.24

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Solution

The fourth proportional to 5,523.24, 7,621.56 and 3,165.24 is: 4,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.24 : 7,621.56 = 3,165.24 : x
  2. Step 2: Convert to fraction form
    5,523.24/7,621.56 = 3,165.24/x
  3. Step 3: Cross multiply
    5,523.24x = 7,621.56 × 3,165.24
  4. Step 4: Simplify right side
    5,523.24x = 24,124,066.57
  5. Step 5: Solve for x
    x = 24,124,066.57/5,523.24
  6. Step 6: Final answer
    x = 4,367.74

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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.