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Finding the Fourth Proportional to 67,570.97, 101,380.59 and 30,127.68

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Solution

The fourth proportional to 67,570.97, 101,380.59 and 30,127.68 is: 45,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,570.97 : 101,380.59 = 30,127.68 : x
  2. Step 2: Convert to fraction form
    67,570.97/101,380.59 = 30,127.68/x
  3. Step 3: Cross multiply
    67,570.97x = 101,380.59 × 30,127.68
  4. Step 4: Simplify right side
    67,570.97x = 3,054,361,973.73
  5. Step 5: Solve for x
    x = 3,054,361,973.73/67,570.97
  6. Step 6: Final answer
    x = 45,202.28

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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.