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Finding the Fourth Proportional to 2,515.74, 3,773.02 and 955.92

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Solution

The fourth proportional to 2,515.74, 3,773.02 and 955.92 is: 1,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.74 : 3,773.02 = 955.92 : x
  2. Step 2: Convert to fraction form
    2,515.74/3,773.02 = 955.92/x
  3. Step 3: Cross multiply
    2,515.74x = 3,773.02 × 955.92
  4. Step 4: Simplify right side
    2,515.74x = 3,606,705.28
  5. Step 5: Solve for x
    x = 3,606,705.28/2,515.74
  6. Step 6: Final answer
    x = 1,433.66

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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.