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Finding the Fourth Proportional to 67,795.99, 101,713.87 and 30,347.73

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Solution

The fourth proportional to 67,795.99, 101,713.87 and 30,347.73 is: 45,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,795.99 : 101,713.87 = 30,347.73 : x
  2. Step 2: Convert to fraction form
    67,795.99/101,713.87 = 30,347.73/x
  3. Step 3: Cross multiply
    67,795.99x = 101,713.87 × 30,347.73
  4. Step 4: Simplify right side
    67,795.99x = 3,086,785,101.95
  5. Step 5: Solve for x
    x = 3,086,785,101.95/67,795.99
  6. Step 6: Final answer
    x = 45,530.50

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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.