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Finding the Fourth Proportional to 2,043.90, 2,868.75 and 2,043.90

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Solution

The fourth proportional to 2,043.90, 2,868.75 and 2,043.90 is: 2,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.90 : 2,868.75 = 2,043.90 : x
  2. Step 2: Convert to fraction form
    2,043.90/2,868.75 = 2,043.90/x
  3. Step 3: Cross multiply
    2,043.90x = 2,868.75 × 2,043.90
  4. Step 4: Simplify right side
    2,043.90x = 5,863,438.13
  5. Step 5: Solve for x
    x = 5,863,438.13/2,043.90
  6. Step 6: Final answer
    x = 2,868.75

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.