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Finding the Fourth Proportional to 2,370.74, 3,555 and 726.93

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Solution

The fourth proportional to 2,370.74, 3,555 and 726.93 is: 1,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.74 : 3,555 = 726.93 : x
  2. Step 2: Convert to fraction form
    2,370.74/3,555 = 726.93/x
  3. Step 3: Cross multiply
    2,370.74x = 3,555 × 726.93
  4. Step 4: Simplify right side
    2,370.74x = 2,584,236.15
  5. Step 5: Solve for x
    x = 2,584,236.15/2,370.74
  6. Step 6: Final answer
    x = 1,090.06

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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.