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Finding the Fourth Proportional to 2,370.06, 3,554.99 and 726.52

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Solution

The fourth proportional to 2,370.06, 3,554.99 and 726.52 is: 1,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.06 : 3,554.99 = 726.52 : x
  2. Step 2: Convert to fraction form
    2,370.06/3,554.99 = 726.52/x
  3. Step 3: Cross multiply
    2,370.06x = 3,554.99 × 726.52
  4. Step 4: Simplify right side
    2,370.06x = 2,582,768.20
  5. Step 5: Solve for x
    x = 2,582,768.20/2,370.06
  6. Step 6: Final answer
    x = 1,089.75

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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.