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Finding the Fourth Proportional to 1,736.72, 2,397.46 and 1,108.10

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Solution

The fourth proportional to 1,736.72, 2,397.46 and 1,108.10 is: 1,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.72 : 2,397.46 = 1,108.10 : x
  2. Step 2: Convert to fraction form
    1,736.72/2,397.46 = 1,108.10/x
  3. Step 3: Cross multiply
    1,736.72x = 2,397.46 × 1,108.10
  4. Step 4: Simplify right side
    1,736.72x = 2,656,625.43
  5. Step 5: Solve for x
    x = 2,656,625.43/1,736.72
  6. Step 6: Final answer
    x = 1,529.68

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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.