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Finding the Fourth Proportional to 2,023.96, 3,036.24 and 725.12

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Solution

The fourth proportional to 2,023.96, 3,036.24 and 725.12 is: 1,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.96 : 3,036.24 = 725.12 : x
  2. Step 2: Convert to fraction form
    2,023.96/3,036.24 = 725.12/x
  3. Step 3: Cross multiply
    2,023.96x = 3,036.24 × 725.12
  4. Step 4: Simplify right side
    2,023.96x = 2,201,638.35
  5. Step 5: Solve for x
    x = 2,201,638.35/2,023.96
  6. Step 6: Final answer
    x = 1,087.79

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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.