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Finding the Fourth Proportional to 67,604.44, 101,400.16 and 20,844.76

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Solution

The fourth proportional to 67,604.44, 101,400.16 and 20,844.76 is: 31,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,604.44 : 101,400.16 = 20,844.76 : x
  2. Step 2: Convert to fraction form
    67,604.44/101,400.16 = 20,844.76/x
  3. Step 3: Cross multiply
    67,604.44x = 101,400.16 × 20,844.76
  4. Step 4: Simplify right side
    67,604.44x = 2,113,661,999.16
  5. Step 5: Solve for x
    x = 2,113,661,999.16/67,604.44
  6. Step 6: Final answer
    x = 31,265.14

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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.