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Finding the Fourth Proportional to 63,568.20, 87,728.28 and 36,711.84

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Solution

The fourth proportional to 63,568.20, 87,728.28 and 36,711.84 is: 50,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,568.20 : 87,728.28 = 36,711.84 : x
  2. Step 2: Convert to fraction form
    63,568.20/87,728.28 = 36,711.84/x
  3. Step 3: Cross multiply
    63,568.20x = 87,728.28 × 36,711.84
  4. Step 4: Simplify right side
    63,568.20x = 3,220,666,578.84
  5. Step 5: Solve for x
    x = 3,220,666,578.84/63,568.20
  6. Step 6: Final answer
    x = 50,664.74

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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.