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Finding the Fourth Proportional to 48,589.78, 72,884.68 and 37,512.64

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Solution

The fourth proportional to 48,589.78, 72,884.68 and 37,512.64 is: 56,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,589.78 : 72,884.68 = 37,512.64 : x
  2. Step 2: Convert to fraction form
    48,589.78/72,884.68 = 37,512.64/x
  3. Step 3: Cross multiply
    48,589.78x = 72,884.68 × 37,512.64
  4. Step 4: Simplify right side
    48,589.78x = 2,734,096,762.36
  5. Step 5: Solve for x
    x = 2,734,096,762.36/48,589.78
  6. Step 6: Final answer
    x = 56,268.97

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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.