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Finding the Fourth Proportional to 3,368.60, 4,648.56 and 1,876.52

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Solution

The fourth proportional to 3,368.60, 4,648.56 and 1,876.52 is: 2,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.60 : 4,648.56 = 1,876.52 : x
  2. Step 2: Convert to fraction form
    3,368.60/4,648.56 = 1,876.52/x
  3. Step 3: Cross multiply
    3,368.60x = 4,648.56 × 1,876.52
  4. Step 4: Simplify right side
    3,368.60x = 8,723,115.81
  5. Step 5: Solve for x
    x = 8,723,115.81/3,368.60
  6. Step 6: Final answer
    x = 2,589.54

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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.