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Finding the Fourth Proportional to 21,794.25, 32,696.24 and 7,943.25

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Solution

The fourth proportional to 21,794.25, 32,696.24 and 7,943.25 is: 11,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.25 : 32,696.24 = 7,943.25 : x
  2. Step 2: Convert to fraction form
    21,794.25/32,696.24 = 7,943.25/x
  3. Step 3: Cross multiply
    21,794.25x = 32,696.24 × 7,943.25
  4. Step 4: Simplify right side
    21,794.25x = 259,714,368.66
  5. Step 5: Solve for x
    x = 259,714,368.66/21,794.25
  6. Step 6: Final answer
    x = 11,916.65

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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.