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Finding the Fourth Proportional to 48,844.32, 73,266.80 and 17,680.80

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Solution

The fourth proportional to 48,844.32, 73,266.80 and 17,680.80 is: 26,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,844.32 : 73,266.80 = 17,680.80 : x
  2. Step 2: Convert to fraction form
    48,844.32/73,266.80 = 17,680.80/x
  3. Step 3: Cross multiply
    48,844.32x = 73,266.80 × 17,680.80
  4. Step 4: Simplify right side
    48,844.32x = 1,295,415,637.44
  5. Step 5: Solve for x
    x = 1,295,415,637.44/48,844.32
  6. Step 6: Final answer
    x = 26,521.32

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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.