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Finding the Fourth Proportional to 21,696.54, 32,544.81 and 11,822.24

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Solution

The fourth proportional to 21,696.54, 32,544.81 and 11,822.24 is: 17,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696.54 : 32,544.81 = 11,822.24 : x
  2. Step 2: Convert to fraction form
    21,696.54/32,544.81 = 11,822.24/x
  3. Step 3: Cross multiply
    21,696.54x = 32,544.81 × 11,822.24
  4. Step 4: Simplify right side
    21,696.54x = 384,752,391.85
  5. Step 5: Solve for x
    x = 384,752,391.85/21,696.54
  6. Step 6: Final answer
    x = 17,733.35

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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.