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Finding the Fourth Proportional to 1,951.47, 2,693.29 and 1,254.87

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Solution

The fourth proportional to 1,951.47, 2,693.29 and 1,254.87 is: 1,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.47 : 2,693.29 = 1,254.87 : x
  2. Step 2: Convert to fraction form
    1,951.47/2,693.29 = 1,254.87/x
  3. Step 3: Cross multiply
    1,951.47x = 2,693.29 × 1,254.87
  4. Step 4: Simplify right side
    1,951.47x = 3,379,738.69
  5. Step 5: Solve for x
    x = 3,379,738.69/1,951.47
  6. Step 6: Final answer
    x = 1,731.89

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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.