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Finding the Fourth Proportional to 73,924.59, 102,015.86 and 39,933.07

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Solution

The fourth proportional to 73,924.59, 102,015.86 and 39,933.07 is: 55,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,924.59 : 102,015.86 = 39,933.07 : x
  2. Step 2: Convert to fraction form
    73,924.59/102,015.86 = 39,933.07/x
  3. Step 3: Cross multiply
    73,924.59x = 102,015.86 × 39,933.07
  4. Step 4: Simplify right side
    73,924.59x = 4,073,806,278.82
  5. Step 5: Solve for x
    x = 4,073,806,278.82/73,924.59
  6. Step 6: Final answer
    x = 55,107.59

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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.