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Finding the Fourth Proportional to 33,378.40, 50,125.20 and 17,826.40

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Solution

The fourth proportional to 33,378.40, 50,125.20 and 17,826.40 is: 26,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.40 : 50,125.20 = 17,826.40 : x
  2. Step 2: Convert to fraction form
    33,378.40/50,125.20 = 17,826.40/x
  3. Step 3: Cross multiply
    33,378.40x = 50,125.20 × 17,826.40
  4. Step 4: Simplify right side
    33,378.40x = 893,551,865.28
  5. Step 5: Solve for x
    x = 893,551,865.28/33,378.40
  6. Step 6: Final answer
    x = 26,770.36

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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.