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Finding the Fourth Proportional to 32,843.80, 45,324.84 and 18,696.64

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Solution

The fourth proportional to 32,843.80, 45,324.84 and 18,696.64 is: 25,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,843.80 : 45,324.84 = 18,696.64 : x
  2. Step 2: Convert to fraction form
    32,843.80/45,324.84 = 18,696.64/x
  3. Step 3: Cross multiply
    32,843.80x = 45,324.84 × 18,696.64
  4. Step 4: Simplify right side
    32,843.80x = 847,422,216.54
  5. Step 5: Solve for x
    x = 847,422,216.54/32,843.80
  6. Step 6: Final answer
    x = 25,801.59

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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.