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Finding the Fourth Proportional to 2,393.42, 3,302.10 and 1,449.50

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Solution

The fourth proportional to 2,393.42, 3,302.10 and 1,449.50 is: 1,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.42 : 3,302.10 = 1,449.50 : x
  2. Step 2: Convert to fraction form
    2,393.42/3,302.10 = 1,449.50/x
  3. Step 3: Cross multiply
    2,393.42x = 3,302.10 × 1,449.50
  4. Step 4: Simplify right side
    2,393.42x = 4,786,377.44
  5. Step 5: Solve for x
    x = 4,786,377.44/2,393.42
  6. Step 6: Final answer
    x = 1,999.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.