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Finding the Fourth Proportional to 22,354.20, 33,552.90 and 13,606.20

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Solution

The fourth proportional to 22,354.20, 33,552.90 and 13,606.20 is: 20,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.20 : 33,552.90 = 13,606.20 : x
  2. Step 2: Convert to fraction form
    22,354.20/33,552.90 = 13,606.20/x
  3. Step 3: Cross multiply
    22,354.20x = 33,552.90 × 13,606.20
  4. Step 4: Simplify right side
    22,354.20x = 456,527,467.98
  5. Step 5: Solve for x
    x = 456,527,467.98/22,354.20
  6. Step 6: Final answer
    x = 20,422.45

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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.