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Finding the Fourth Proportional to 33,326.97, 49,990.45 and 13,345.46

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Solution

The fourth proportional to 33,326.97, 49,990.45 and 13,345.46 is: 20,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.97 : 49,990.45 = 13,345.46 : x
  2. Step 2: Convert to fraction form
    33,326.97/49,990.45 = 13,345.46/x
  3. Step 3: Cross multiply
    33,326.97x = 49,990.45 × 13,345.46
  4. Step 4: Simplify right side
    33,326.97x = 667,145,267.54
  5. Step 5: Solve for x
    x = 667,145,267.54/33,326.97
  6. Step 6: Final answer
    x = 20,018.18

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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.