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Finding the Fourth Proportional to 37,793.79, 52,155.91 and 20,799.99

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Solution

The fourth proportional to 37,793.79, 52,155.91 and 20,799.99 is: 28,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,793.79 : 52,155.91 = 20,799.99 : x
  2. Step 2: Convert to fraction form
    37,793.79/52,155.91 = 20,799.99/x
  3. Step 3: Cross multiply
    37,793.79x = 52,155.91 × 20,799.99
  4. Step 4: Simplify right side
    37,793.79x = 1,084,842,406.44
  5. Step 5: Solve for x
    x = 1,084,842,406.44/37,793.79
  6. Step 6: Final answer
    x = 28,704.25

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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.