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Finding the Fourth Proportional to 3,943.46, 5,902.43 and 2,903.24

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Solution

The fourth proportional to 3,943.46, 5,902.43 and 2,903.24 is: 4,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.46 : 5,902.43 = 2,903.24 : x
  2. Step 2: Convert to fraction form
    3,943.46/5,902.43 = 2,903.24/x
  3. Step 3: Cross multiply
    3,943.46x = 5,902.43 × 2,903.24
  4. Step 4: Simplify right side
    3,943.46x = 17,136,170.87
  5. Step 5: Solve for x
    x = 17,136,170.87/3,943.46
  6. Step 6: Final answer
    x = 4,345.47

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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.