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Finding the Fourth Proportional to 2,264.43, 3,122.24 and 1,931.79

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Solution

The fourth proportional to 2,264.43, 3,122.24 and 1,931.79 is: 2,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.43 : 3,122.24 = 1,931.79 : x
  2. Step 2: Convert to fraction form
    2,264.43/3,122.24 = 1,931.79/x
  3. Step 3: Cross multiply
    2,264.43x = 3,122.24 × 1,931.79
  4. Step 4: Simplify right side
    2,264.43x = 6,031,502.35
  5. Step 5: Solve for x
    x = 6,031,502.35/2,264.43
  6. Step 6: Final answer
    x = 2,663.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.