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Finding the Fourth Proportional to 2,608.49, 3,903.42 and 2,434.70

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Solution

The fourth proportional to 2,608.49, 3,903.42 and 2,434.70 is: 3,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.49 : 3,903.42 = 2,434.70 : x
  2. Step 2: Convert to fraction form
    2,608.49/3,903.42 = 2,434.70/x
  3. Step 3: Cross multiply
    2,608.49x = 3,903.42 × 2,434.70
  4. Step 4: Simplify right side
    2,608.49x = 9,503,656.67
  5. Step 5: Solve for x
    x = 9,503,656.67/2,608.49
  6. Step 6: Final answer
    x = 3,643.36

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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.