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Finding the Fourth Proportional to 3,648.66, 5,474.61 and 1,700.70

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Solution

The fourth proportional to 3,648.66, 5,474.61 and 1,700.70 is: 2,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.66 : 5,474.61 = 1,700.70 : x
  2. Step 2: Convert to fraction form
    3,648.66/5,474.61 = 1,700.70/x
  3. Step 3: Cross multiply
    3,648.66x = 5,474.61 × 1,700.70
  4. Step 4: Simplify right side
    3,648.66x = 9,310,669.23
  5. Step 5: Solve for x
    x = 9,310,669.23/3,648.66
  6. Step 6: Final answer
    x = 2,551.81

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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.