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Finding the Fourth Proportional to 3,339.72, 5,009.85 and 1,696.23

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Solution

The fourth proportional to 3,339.72, 5,009.85 and 1,696.23 is: 2,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.72 : 5,009.85 = 1,696.23 : x
  2. Step 2: Convert to fraction form
    3,339.72/5,009.85 = 1,696.23/x
  3. Step 3: Cross multiply
    3,339.72x = 5,009.85 × 1,696.23
  4. Step 4: Simplify right side
    3,339.72x = 8,497,857.87
  5. Step 5: Solve for x
    x = 8,497,857.87/3,339.72
  6. Step 6: Final answer
    x = 2,544.48

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1.5x scale

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.