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Finding the Fourth Proportional to 48,800.16, 73,200.24 and 11,863.84

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Solution

The fourth proportional to 48,800.16, 73,200.24 and 11,863.84 is: 17,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,800.16 : 73,200.24 = 11,863.84 : x
  2. Step 2: Convert to fraction form
    48,800.16/73,200.24 = 11,863.84/x
  3. Step 3: Cross multiply
    48,800.16x = 73,200.24 × 11,863.84
  4. Step 4: Simplify right side
    48,800.16x = 868,435,935.32
  5. Step 5: Solve for x
    x = 868,435,935.32/48,800.16
  6. Step 6: Final answer
    x = 17,795.76

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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.