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Finding the Fourth Proportional to 6,663.84, 9,994.83 and 3,662.82

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Solution

The fourth proportional to 6,663.84, 9,994.83 and 3,662.82 is: 5,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.84 : 9,994.83 = 3,662.82 : x
  2. Step 2: Convert to fraction form
    6,663.84/9,994.83 = 3,662.82/x
  3. Step 3: Cross multiply
    6,663.84x = 9,994.83 × 3,662.82
  4. Step 4: Simplify right side
    6,663.84x = 36,609,263.22
  5. Step 5: Solve for x
    x = 36,609,263.22/6,663.84
  6. Step 6: Final answer
    x = 5,493.72

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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.