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Finding the Fourth Proportional to 22,334.70, 30,821.97 and 12,264.17

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Solution

The fourth proportional to 22,334.70, 30,821.97 and 12,264.17 is: 16,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.70 : 30,821.97 = 12,264.17 : x
  2. Step 2: Convert to fraction form
    22,334.70/30,821.97 = 12,264.17/x
  3. Step 3: Cross multiply
    22,334.70x = 30,821.97 × 12,264.17
  4. Step 4: Simplify right side
    22,334.70x = 378,005,879.81
  5. Step 5: Solve for x
    x = 378,005,879.81/22,334.70
  6. Step 6: Final answer
    x = 16,924.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.