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Finding the Fourth Proportional to 48,993.13, 67,643.91 and 32,884.60

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Solution

The fourth proportional to 48,993.13, 67,643.91 and 32,884.60 is: 45,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.13 : 67,643.91 = 32,884.60 : x
  2. Step 2: Convert to fraction form
    48,993.13/67,643.91 = 32,884.60/x
  3. Step 3: Cross multiply
    48,993.13x = 67,643.91 × 32,884.60
  4. Step 4: Simplify right side
    48,993.13x = 2,224,442,922.79
  5. Step 5: Solve for x
    x = 2,224,442,922.79/48,993.13
  6. Step 6: Final answer
    x = 45,403.16

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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.