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Finding the Fourth Proportional to 22,134.80, 33,205.40 and 7,344.40

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Solution

The fourth proportional to 22,134.80, 33,205.40 and 7,344.40 is: 11,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.80 : 33,205.40 = 7,344.40 : x
  2. Step 2: Convert to fraction form
    22,134.80/33,205.40 = 7,344.40/x
  3. Step 3: Cross multiply
    22,134.80x = 33,205.40 × 7,344.40
  4. Step 4: Simplify right side
    22,134.80x = 243,873,739.76
  5. Step 5: Solve for x
    x = 243,873,739.76/22,134.80
  6. Step 6: Final answer
    x = 11,017.66

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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.