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Finding the Fourth Proportional to 22,238, 33,366.68 and 13,937.04

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Solution

The fourth proportional to 22,238, 33,366.68 and 13,937.04 is: 20,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238 : 33,366.68 = 13,937.04 : x
  2. Step 2: Convert to fraction form
    22,238/33,366.68 = 13,937.04/x
  3. Step 3: Cross multiply
    22,238x = 33,366.68 × 13,937.04
  4. Step 4: Simplify right side
    22,238x = 465,032,753.83
  5. Step 5: Solve for x
    x = 465,032,753.83/22,238
  6. Step 6: Final answer
    x = 20,911.63

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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.