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Finding the Fourth Proportional to 73,894.67, 101,974.76 and 42,063.56

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Solution

The fourth proportional to 73,894.67, 101,974.76 and 42,063.56 is: 58,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,894.67 : 101,974.76 = 42,063.56 : x
  2. Step 2: Convert to fraction form
    73,894.67/101,974.76 = 42,063.56/x
  3. Step 3: Cross multiply
    73,894.67x = 101,974.76 × 42,063.56
  4. Step 4: Simplify right side
    73,894.67x = 4,289,421,435.75
  5. Step 5: Solve for x
    x = 4,289,421,435.75/73,894.67
  6. Step 6: Final answer
    x = 58,047.78

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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.