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Finding the Fourth Proportional to 48,729.86, 73,094.80 and 11,793.86

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Solution

The fourth proportional to 48,729.86, 73,094.80 and 11,793.86 is: 17,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.86 : 73,094.80 = 11,793.86 : x
  2. Step 2: Convert to fraction form
    48,729.86/73,094.80 = 11,793.86/x
  3. Step 3: Cross multiply
    48,729.86x = 73,094.80 × 11,793.86
  4. Step 4: Simplify right side
    48,729.86x = 862,069,837.93
  5. Step 5: Solve for x
    x = 862,069,837.93/48,729.86
  6. Step 6: Final answer
    x = 17,690.79

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1.5x scale

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.