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Finding the Fourth Proportional to 60,143.74, 82,997.75 and 33,286.30

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Solution

The fourth proportional to 60,143.74, 82,997.75 and 33,286.30 is: 45,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.74 : 82,997.75 = 33,286.30 : x
  2. Step 2: Convert to fraction form
    60,143.74/82,997.75 = 33,286.30/x
  3. Step 3: Cross multiply
    60,143.74x = 82,997.75 × 33,286.30
  4. Step 4: Simplify right side
    60,143.74x = 2,762,688,005.83
  5. Step 5: Solve for x
    x = 2,762,688,005.83/60,143.74
  6. Step 6: Final answer
    x = 45,934.76

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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.