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Finding the Fourth Proportional to 1,892.52, 2,608.86 and 1,331.16

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Solution

The fourth proportional to 1,892.52, 2,608.86 and 1,331.16 is: 1,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.52 : 2,608.86 = 1,331.16 : x
  2. Step 2: Convert to fraction form
    1,892.52/2,608.86 = 1,331.16/x
  3. Step 3: Cross multiply
    1,892.52x = 2,608.86 × 1,331.16
  4. Step 4: Simplify right side
    1,892.52x = 3,472,810.08
  5. Step 5: Solve for x
    x = 3,472,810.08/1,892.52
  6. Step 6: Final answer
    x = 1,835.02

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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.