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Finding the Fourth Proportional to 75,409.67, 113,036.73 and 33,885.83

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Solution

The fourth proportional to 75,409.67, 113,036.73 and 33,885.83 is: 50,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,409.67 : 113,036.73 = 33,885.83 : x
  2. Step 2: Convert to fraction form
    75,409.67/113,036.73 = 33,885.83/x
  3. Step 3: Cross multiply
    75,409.67x = 113,036.73 × 33,885.83
  4. Step 4: Simplify right side
    75,409.67x = 3,830,342,851.35
  5. Step 5: Solve for x
    x = 3,830,342,851.35/75,409.67
  6. Step 6: Final answer
    x = 50,793.79

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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.