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Finding the Fourth Proportional to 3,445.16, 5,167.38 and 1,364.72

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Solution

The fourth proportional to 3,445.16, 5,167.38 and 1,364.72 is: 2,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.16 : 5,167.38 = 1,364.72 : x
  2. Step 2: Convert to fraction form
    3,445.16/5,167.38 = 1,364.72/x
  3. Step 3: Cross multiply
    3,445.16x = 5,167.38 × 1,364.72
  4. Step 4: Simplify right side
    3,445.16x = 7,052,026.83
  5. Step 5: Solve for x
    x = 7,052,026.83/3,445.16
  6. Step 6: Final answer
    x = 2,046.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.