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Finding the Fourth Proportional to 1,833.72, 2,527.02 and 1,637.88

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Solution

The fourth proportional to 1,833.72, 2,527.02 and 1,637.88 is: 2,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.72 : 2,527.02 = 1,637.88 : x
  2. Step 2: Convert to fraction form
    1,833.72/2,527.02 = 1,637.88/x
  3. Step 3: Cross multiply
    1,833.72x = 2,527.02 × 1,637.88
  4. Step 4: Simplify right side
    1,833.72x = 4,138,955.52
  5. Step 5: Solve for x
    x = 4,138,955.52/1,833.72
  6. Step 6: Final answer
    x = 2,257.14

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Why These Related Problems?

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