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Finding the Fourth Proportional to 22,362.20, 33,564.90 and 13,614.20

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Solution

The fourth proportional to 22,362.20, 33,564.90 and 13,614.20 is: 20,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.20 : 33,564.90 = 13,614.20 : x
  2. Step 2: Convert to fraction form
    22,362.20/33,564.90 = 13,614.20/x
  3. Step 3: Cross multiply
    22,362.20x = 33,564.90 × 13,614.20
  4. Step 4: Simplify right side
    22,362.20x = 456,959,261.58
  5. Step 5: Solve for x
    x = 456,959,261.58/22,362.20
  6. Step 6: Final answer
    x = 20,434.45

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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.