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Finding the Fourth Proportional to 5,514.64, 7,612.20 and 3,652.24

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Solution

The fourth proportional to 5,514.64, 7,612.20 and 3,652.24 is: 5,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.64 : 7,612.20 = 3,652.24 : x
  2. Step 2: Convert to fraction form
    5,514.64/7,612.20 = 3,652.24/x
  3. Step 3: Cross multiply
    5,514.64x = 7,612.20 × 3,652.24
  4. Step 4: Simplify right side
    5,514.64x = 27,801,581.33
  5. Step 5: Solve for x
    x = 27,801,581.33/5,514.64
  6. Step 6: Final answer
    x = 5,041.41

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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.