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Finding the Fourth Proportional to 9,326.68, 13,990.80 and 3,481.84

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Solution

The fourth proportional to 9,326.68, 13,990.80 and 3,481.84 is: 5,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.68 : 13,990.80 = 3,481.84 : x
  2. Step 2: Convert to fraction form
    9,326.68/13,990.80 = 3,481.84/x
  3. Step 3: Cross multiply
    9,326.68x = 13,990.80 × 3,481.84
  4. Step 4: Simplify right side
    9,326.68x = 48,713,727.07
  5. Step 5: Solve for x
    x = 48,713,727.07/9,326.68
  6. Step 6: Final answer
    x = 5,223.05

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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.