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Finding the Fourth Proportional to 3,445.52, 5,165.18 and 1,364.12

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Solution

The fourth proportional to 3,445.52, 5,165.18 and 1,364.12 is: 2,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.52 : 5,165.18 = 1,364.12 : x
  2. Step 2: Convert to fraction form
    3,445.52/5,165.18 = 1,364.12/x
  3. Step 3: Cross multiply
    3,445.52x = 5,165.18 × 1,364.12
  4. Step 4: Simplify right side
    3,445.52x = 7,045,915.84
  5. Step 5: Solve for x
    x = 7,045,915.84/3,445.52
  6. Step 6: Final answer
    x = 2,044.95

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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.