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Finding the Fourth Proportional to 6,605.73, 9,890.24 and 5,282.73

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Solution

The fourth proportional to 6,605.73, 9,890.24 and 5,282.73 is: 7,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.73 : 9,890.24 = 5,282.73 : x
  2. Step 2: Convert to fraction form
    6,605.73/9,890.24 = 5,282.73/x
  3. Step 3: Cross multiply
    6,605.73x = 9,890.24 × 5,282.73
  4. Step 4: Simplify right side
    6,605.73x = 52,247,441.14
  5. Step 5: Solve for x
    x = 52,247,441.14/6,605.73
  6. Step 6: Final answer
    x = 7,909.41

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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.