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Finding the Fourth Proportional to 3,112.43, 4,293.61 and 2,052

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Solution

The fourth proportional to 3,112.43, 4,293.61 and 2,052 is: 2,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.43 : 4,293.61 = 2,052 : x
  2. Step 2: Convert to fraction form
    3,112.43/4,293.61 = 2,052/x
  3. Step 3: Cross multiply
    3,112.43x = 4,293.61 × 2,052
  4. Step 4: Simplify right side
    3,112.43x = 8,810,482.59
  5. Step 5: Solve for x
    x = 8,810,482.59/3,112.43
  6. Step 6: Final answer
    x = 2,830.75

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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.