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Finding the Fourth Proportional to 36,334.40, 54,424.80 and 32,443.20

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Solution

The fourth proportional to 36,334.40, 54,424.80 and 32,443.20 is: 48,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.40 : 54,424.80 = 32,443.20 : x
  2. Step 2: Convert to fraction form
    36,334.40/54,424.80 = 32,443.20/x
  3. Step 3: Cross multiply
    36,334.40x = 54,424.80 × 32,443.20
  4. Step 4: Simplify right side
    36,334.40x = 1,765,714,671.36
  5. Step 5: Solve for x
    x = 1,765,714,671.36/36,334.40
  6. Step 6: Final answer
    x = 48,596.22

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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.