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Finding the Fourth Proportional to 22,212.70, 33,328.30 and 9,726.30

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Solution

The fourth proportional to 22,212.70, 33,328.30 and 9,726.30 is: 14,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.70 : 33,328.30 = 9,726.30 : x
  2. Step 2: Convert to fraction form
    22,212.70/33,328.30 = 9,726.30/x
  3. Step 3: Cross multiply
    22,212.70x = 33,328.30 × 9,726.30
  4. Step 4: Simplify right side
    22,212.70x = 324,161,044.29
  5. Step 5: Solve for x
    x = 324,161,044.29/22,212.70
  6. Step 6: Final answer
    x = 14,593.50

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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.