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Finding the Fourth Proportional to 31,892.49, 44,008.95 and 18,793.40

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Solution

The fourth proportional to 31,892.49, 44,008.95 and 18,793.40 is: 25,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892.49 : 44,008.95 = 18,793.40 : x
  2. Step 2: Convert to fraction form
    31,892.49/44,008.95 = 18,793.40/x
  3. Step 3: Cross multiply
    31,892.49x = 44,008.95 × 18,793.40
  4. Step 4: Simplify right side
    31,892.49x = 827,077,800.93
  5. Step 5: Solve for x
    x = 827,077,800.93/31,892.49
  6. Step 6: Final answer
    x = 25,933.31

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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.