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Finding the Fourth Proportional to 2,024.32, 3,036.80 and 725.92

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Solution

The fourth proportional to 2,024.32, 3,036.80 and 725.92 is: 1,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.32 : 3,036.80 = 725.92 : x
  2. Step 2: Convert to fraction form
    2,024.32/3,036.80 = 725.92/x
  3. Step 3: Cross multiply
    2,024.32x = 3,036.80 × 725.92
  4. Step 4: Simplify right side
    2,024.32x = 2,204,473.86
  5. Step 5: Solve for x
    x = 2,204,473.86/2,024.32
  6. Step 6: Final answer
    x = 1,088.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.