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Finding the Fourth Proportional to 48,652.32, 72,836.32 and 43,983.12

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Solution

The fourth proportional to 48,652.32, 72,836.32 and 43,983.12 is: 65,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.32 : 72,836.32 = 43,983.12 : x
  2. Step 2: Convert to fraction form
    48,652.32/72,836.32 = 43,983.12/x
  3. Step 3: Cross multiply
    48,652.32x = 72,836.32 × 43,983.12
  4. Step 4: Simplify right side
    48,652.32x = 3,203,568,602.92
  5. Step 5: Solve for x
    x = 3,203,568,602.92/48,652.32
  6. Step 6: Final answer
    x = 65,846.16

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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.