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Finding the Fourth Proportional to 33,965.60, 50,955.60 and 10,271.20

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Solution

The fourth proportional to 33,965.60, 50,955.60 and 10,271.20 is: 15,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,965.60 : 50,955.60 = 10,271.20 : x
  2. Step 2: Convert to fraction form
    33,965.60/50,955.60 = 10,271.20/x
  3. Step 3: Cross multiply
    33,965.60x = 50,955.60 × 10,271.20
  4. Step 4: Simplify right side
    33,965.60x = 523,375,158.72
  5. Step 5: Solve for x
    x = 523,375,158.72/33,965.60
  6. Step 6: Final answer
    x = 15,408.98

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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.