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Finding the Fourth Proportional to 60,983.20, 91,474.80 and 33,335.20

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Solution

The fourth proportional to 60,983.20, 91,474.80 and 33,335.20 is: 50,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,983.20 : 91,474.80 = 33,335.20 : x
  2. Step 2: Convert to fraction form
    60,983.20/91,474.80 = 33,335.20/x
  3. Step 3: Cross multiply
    60,983.20x = 91,474.80 × 33,335.20
  4. Step 4: Simplify right side
    60,983.20x = 3,049,330,752.96
  5. Step 5: Solve for x
    x = 3,049,330,752.96/60,983.20
  6. Step 6: Final answer
    x = 50,002.80

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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.