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Finding the Fourth Proportional to 2,086.74, 2,876.04 and 1,845.36

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Solution

The fourth proportional to 2,086.74, 2,876.04 and 1,845.36 is: 2,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.74 : 2,876.04 = 1,845.36 : x
  2. Step 2: Convert to fraction form
    2,086.74/2,876.04 = 1,845.36/x
  3. Step 3: Cross multiply
    2,086.74x = 2,876.04 × 1,845.36
  4. Step 4: Simplify right side
    2,086.74x = 5,307,329.17
  5. Step 5: Solve for x
    x = 5,307,329.17/2,086.74
  6. Step 6: Final answer
    x = 2,543.36

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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.