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Finding the Fourth Proportional to 22,614, 33,959.88 and 20,553.36

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Solution

The fourth proportional to 22,614, 33,959.88 and 20,553.36 is: 30,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614 : 33,959.88 = 20,553.36 : x
  2. Step 2: Convert to fraction form
    22,614/33,959.88 = 20,553.36/x
  3. Step 3: Cross multiply
    22,614x = 33,959.88 × 20,553.36
  4. Step 4: Simplify right side
    22,614x = 697,989,639.20
  5. Step 5: Solve for x
    x = 697,989,639.20/22,614
  6. Step 6: Final answer
    x = 30,865.38

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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.