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Finding the Fourth Proportional to 2,024.76, 3,036.96 and 726.24

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Solution

The fourth proportional to 2,024.76, 3,036.96 and 726.24 is: 1,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.76 : 3,036.96 = 726.24 : x
  2. Step 2: Convert to fraction form
    2,024.76/3,036.96 = 726.24/x
  3. Step 3: Cross multiply
    2,024.76x = 3,036.96 × 726.24
  4. Step 4: Simplify right side
    2,024.76x = 2,205,561.83
  5. Step 5: Solve for x
    x = 2,205,561.83/2,024.76
  6. Step 6: Final answer
    x = 1,089.30

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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.