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Finding the Fourth Proportional to 2,151.03, 2,968.18 and 1,254.76

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Solution

The fourth proportional to 2,151.03, 2,968.18 and 1,254.76 is: 1,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.03 : 2,968.18 = 1,254.76 : x
  2. Step 2: Convert to fraction form
    2,151.03/2,968.18 = 1,254.76/x
  3. Step 3: Cross multiply
    2,151.03x = 2,968.18 × 1,254.76
  4. Step 4: Simplify right side
    2,151.03x = 3,724,353.54
  5. Step 5: Solve for x
    x = 3,724,353.54/2,151.03
  6. Step 6: Final answer
    x = 1,731.43

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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.