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Finding the Fourth Proportional to 22,391.32, 33,535.91 and 10,712.80

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Solution

The fourth proportional to 22,391.32, 33,535.91 and 10,712.80 is: 16,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.32 : 33,535.91 = 10,712.80 : x
  2. Step 2: Convert to fraction form
    22,391.32/33,535.91 = 10,712.80/x
  3. Step 3: Cross multiply
    22,391.32x = 33,535.91 × 10,712.80
  4. Step 4: Simplify right side
    22,391.32x = 359,263,328.97
  5. Step 5: Solve for x
    x = 359,263,328.97/22,391.32
  6. Step 6: Final answer
    x = 16,044.76

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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.