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Finding the Fourth Proportional to 2,535.53, 3,501.71 and 1,940.18

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Solution

The fourth proportional to 2,535.53, 3,501.71 and 1,940.18 is: 2,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535.53 : 3,501.71 = 1,940.18 : x
  2. Step 2: Convert to fraction form
    2,535.53/3,501.71 = 1,940.18/x
  3. Step 3: Cross multiply
    2,535.53x = 3,501.71 × 1,940.18
  4. Step 4: Simplify right side
    2,535.53x = 6,793,920.50
  5. Step 5: Solve for x
    x = 6,793,920.50/2,535.53
  6. Step 6: Final answer
    x = 2,679.49

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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.