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Finding the Fourth Proportional to 2,517.95, 3,772.01 and 1,649.63

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Solution

The fourth proportional to 2,517.95, 3,772.01 and 1,649.63 is: 2,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.95 : 3,772.01 = 1,649.63 : x
  2. Step 2: Convert to fraction form
    2,517.95/3,772.01 = 1,649.63/x
  3. Step 3: Cross multiply
    2,517.95x = 3,772.01 × 1,649.63
  4. Step 4: Simplify right side
    2,517.95x = 6,222,420.86
  5. Step 5: Solve for x
    x = 6,222,420.86/2,517.95
  6. Step 6: Final answer
    x = 2,471.22

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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.