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Finding the Fourth Proportional to 1,888.34, 2,608.27 and 1,451.55

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Solution

The fourth proportional to 1,888.34, 2,608.27 and 1,451.55 is: 2,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.34 : 2,608.27 = 1,451.55 : x
  2. Step 2: Convert to fraction form
    1,888.34/2,608.27 = 1,451.55/x
  3. Step 3: Cross multiply
    1,888.34x = 2,608.27 × 1,451.55
  4. Step 4: Simplify right side
    1,888.34x = 3,786,034.32
  5. Step 5: Solve for x
    x = 3,786,034.32/1,888.34
  6. Step 6: Final answer
    x = 2,004.95

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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.