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Finding the Fourth Proportional to 2,449.51, 3,673.87 and 889.45

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Solution

The fourth proportional to 2,449.51, 3,673.87 and 889.45 is: 1,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.51 : 3,673.87 = 889.45 : x
  2. Step 2: Convert to fraction form
    2,449.51/3,673.87 = 889.45/x
  3. Step 3: Cross multiply
    2,449.51x = 3,673.87 × 889.45
  4. Step 4: Simplify right side
    2,449.51x = 3,267,723.67
  5. Step 5: Solve for x
    x = 3,267,723.67/2,449.51
  6. Step 6: Final answer
    x = 1,334.03

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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.