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Finding the Fourth Proportional to 48,993.66, 67,644.63 and 32,885.10

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Solution

The fourth proportional to 48,993.66, 67,644.63 and 32,885.10 is: 45,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.66 : 67,644.63 = 32,885.10 : x
  2. Step 2: Convert to fraction form
    48,993.66/67,644.63 = 32,885.10/x
  3. Step 3: Cross multiply
    48,993.66x = 67,644.63 × 32,885.10
  4. Step 4: Simplify right side
    48,993.66x = 2,224,500,422.01
  5. Step 5: Solve for x
    x = 2,224,500,422.01/48,993.66
  6. Step 6: Final answer
    x = 45,403.84

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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.