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Finding the Fourth Proportional to 2,699.42, 3,725.19 and 1,520.46

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Solution

The fourth proportional to 2,699.42, 3,725.19 and 1,520.46 is: 2,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.42 : 3,725.19 = 1,520.46 : x
  2. Step 2: Convert to fraction form
    2,699.42/3,725.19 = 1,520.46/x
  3. Step 3: Cross multiply
    2,699.42x = 3,725.19 × 1,520.46
  4. Step 4: Simplify right side
    2,699.42x = 5,664,002.39
  5. Step 5: Solve for x
    x = 5,664,002.39/2,699.42
  6. Step 6: Final answer
    x = 2,098.23

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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.