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Finding the Fourth Proportional to 36,799.31, 50,783.05 and 20,032.31

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Solution

The fourth proportional to 36,799.31, 50,783.05 and 20,032.31 is: 27,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,799.31 : 50,783.05 = 20,032.31 : x
  2. Step 2: Convert to fraction form
    36,799.31/50,783.05 = 20,032.31/x
  3. Step 3: Cross multiply
    36,799.31x = 50,783.05 × 20,032.31
  4. Step 4: Simplify right side
    36,799.31x = 1,017,301,952.34
  5. Step 5: Solve for x
    x = 1,017,301,952.34/36,799.31
  6. Step 6: Final answer
    x = 27,644.59

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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.