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Finding the Fourth Proportional to 3,760.32, 5,636.16 and 1,704

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Solution

The fourth proportional to 3,760.32, 5,636.16 and 1,704 is: 2,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.32 : 5,636.16 = 1,704 : x
  2. Step 2: Convert to fraction form
    3,760.32/5,636.16 = 1,704/x
  3. Step 3: Cross multiply
    3,760.32x = 5,636.16 × 1,704
  4. Step 4: Simplify right side
    3,760.32x = 9,604,016.64
  5. Step 5: Solve for x
    x = 9,604,016.64/3,760.32
  6. Step 6: Final answer
    x = 2,554.04

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Why These Related Problems?

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