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Finding the Fourth Proportional to 2,449.77, 3,673.44 and 1,409.50

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Solution

The fourth proportional to 2,449.77, 3,673.44 and 1,409.50 is: 2,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.77 : 3,673.44 = 1,409.50 : x
  2. Step 2: Convert to fraction form
    2,449.77/3,673.44 = 1,409.50/x
  3. Step 3: Cross multiply
    2,449.77x = 3,673.44 × 1,409.50
  4. Step 4: Simplify right side
    2,449.77x = 5,177,713.68
  5. Step 5: Solve for x
    x = 5,177,713.68/2,449.77
  6. Step 6: Final answer
    x = 2,113.55

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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.