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Finding the Fourth Proportional to 22,245.46, 33,355.92 and 9,107.08

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Solution

The fourth proportional to 22,245.46, 33,355.92 and 9,107.08 is: 13,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.46 : 33,355.92 = 9,107.08 : x
  2. Step 2: Convert to fraction form
    22,245.46/33,355.92 = 9,107.08/x
  3. Step 3: Cross multiply
    22,245.46x = 33,355.92 × 9,107.08
  4. Step 4: Simplify right side
    22,245.46x = 303,775,031.91
  5. Step 5: Solve for x
    x = 303,775,031.91/22,245.46
  6. Step 6: Final answer
    x = 13,655.60

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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.