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Finding the Fourth Proportional to 33,490.90, 50,193.15 and 25,660.90

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Solution

The fourth proportional to 33,490.90, 50,193.15 and 25,660.90 is: 38,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,490.90 : 50,193.15 = 25,660.90 : x
  2. Step 2: Convert to fraction form
    33,490.90/50,193.15 = 25,660.90/x
  3. Step 3: Cross multiply
    33,490.90x = 50,193.15 × 25,660.90
  4. Step 4: Simplify right side
    33,490.90x = 1,288,001,402.84
  5. Step 5: Solve for x
    x = 1,288,001,402.84/33,490.90
  6. Step 6: Final answer
    x = 38,458.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.