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Finding the Fourth Proportional to 6,604.64, 9,908.47 and 2,221.98

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Solution

The fourth proportional to 6,604.64, 9,908.47 and 2,221.98 is: 3,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.64 : 9,908.47 = 2,221.98 : x
  2. Step 2: Convert to fraction form
    6,604.64/9,908.47 = 2,221.98/x
  3. Step 3: Cross multiply
    6,604.64x = 9,908.47 × 2,221.98
  4. Step 4: Simplify right side
    6,604.64x = 22,016,372.63
  5. Step 5: Solve for x
    x = 22,016,372.63/6,604.64
  6. Step 6: Final answer
    x = 3,333.47

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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.