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Finding the Fourth Proportional to 73,001.79, 100,683.90 and 50,335.56

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Solution

The fourth proportional to 73,001.79, 100,683.90 and 50,335.56 is: 69,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001.79 : 100,683.90 = 50,335.56 : x
  2. Step 2: Convert to fraction form
    73,001.79/100,683.90 = 50,335.56/x
  3. Step 3: Cross multiply
    73,001.79x = 100,683.90 × 50,335.56
  4. Step 4: Simplify right side
    73,001.79x = 5,067,980,489.48
  5. Step 5: Solve for x
    x = 5,067,980,489.48/73,001.79
  6. Step 6: Final answer
    x = 69,422.69

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1.5x scale

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.