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Finding the Fourth Proportional to 31,892.99, 44,009.63 and 18,793.90

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Solution

The fourth proportional to 31,892.99, 44,009.63 and 18,793.90 is: 25,933.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892.99 : 44,009.63 = 18,793.90 : x
  2. Step 2: Convert to fraction form
    31,892.99/44,009.63 = 18,793.90/x
  3. Step 3: Cross multiply
    31,892.99x = 44,009.63 × 18,793.90
  4. Step 4: Simplify right side
    31,892.99x = 827,112,585.26
  5. Step 5: Solve for x
    x = 827,112,585.26/31,892.99
  6. Step 6: Final answer
    x = 25,933.99

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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.