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Finding the Fourth Proportional to 48,079.71, 66,336.84 and 32,976.09

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Solution

The fourth proportional to 48,079.71, 66,336.84 and 32,976.09 is: 45,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.71 : 66,336.84 = 32,976.09 : x
  2. Step 2: Convert to fraction form
    48,079.71/66,336.84 = 32,976.09/x
  3. Step 3: Cross multiply
    48,079.71x = 66,336.84 × 32,976.09
  4. Step 4: Simplify right side
    48,079.71x = 2,187,529,606.16
  5. Step 5: Solve for x
    x = 2,187,529,606.16/48,079.71
  6. Step 6: Final answer
    x = 45,497.98

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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.