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Finding the Fourth Proportional to 23,799.90, 32,859.90 and 21,273.93

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Solution

The fourth proportional to 23,799.90, 32,859.90 and 21,273.93 is: 29,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,799.90 : 32,859.90 = 21,273.93 : x
  2. Step 2: Convert to fraction form
    23,799.90/32,859.90 = 21,273.93/x
  3. Step 3: Cross multiply
    23,799.90x = 32,859.90 × 21,273.93
  4. Step 4: Simplify right side
    23,799.90x = 699,059,212.41
  5. Step 5: Solve for x
    x = 699,059,212.41/23,799.90
  6. Step 6: Final answer
    x = 29,372.36

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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.