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Finding the Fourth Proportional to 73,657.69, 110,486.53 and 18,253.69

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Solution

The fourth proportional to 73,657.69, 110,486.53 and 18,253.69 is: 27,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,657.69 : 110,486.53 = 18,253.69 : x
  2. Step 2: Convert to fraction form
    73,657.69/110,486.53 = 18,253.69/x
  3. Step 3: Cross multiply
    73,657.69x = 110,486.53 × 18,253.69
  4. Step 4: Simplify right side
    73,657.69x = 2,016,786,614.40
  5. Step 5: Solve for x
    x = 2,016,786,614.40/73,657.69
  6. Step 6: Final answer
    x = 27,380.53

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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.