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Finding the Fourth Proportional to 2,700.52, 3,726.66 and 1,505.73

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Solution

The fourth proportional to 2,700.52, 3,726.66 and 1,505.73 is: 2,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.52 : 3,726.66 = 1,505.73 : x
  2. Step 2: Convert to fraction form
    2,700.52/3,726.66 = 1,505.73/x
  3. Step 3: Cross multiply
    2,700.52x = 3,726.66 × 1,505.73
  4. Step 4: Simplify right side
    2,700.52x = 5,611,343.76
  5. Step 5: Solve for x
    x = 5,611,343.76/2,700.52
  6. Step 6: Final answer
    x = 2,077.88

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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.