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Finding the Fourth Proportional to 2,392.75, 3,301.99 and 1,330.48

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Solution

The fourth proportional to 2,392.75, 3,301.99 and 1,330.48 is: 1,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.75 : 3,301.99 = 1,330.48 : x
  2. Step 2: Convert to fraction form
    2,392.75/3,301.99 = 1,330.48/x
  3. Step 3: Cross multiply
    2,392.75x = 3,301.99 × 1,330.48
  4. Step 4: Simplify right side
    2,392.75x = 4,393,231.66
  5. Step 5: Solve for x
    x = 4,393,231.66/2,392.75
  6. Step 6: Final answer
    x = 1,836.06

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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.