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Finding the Fourth Proportional to 8,605.94, 11,866.71 and 5,948.73

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Solution

The fourth proportional to 8,605.94, 11,866.71 and 5,948.73 is: 8,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.94 : 11,866.71 = 5,948.73 : x
  2. Step 2: Convert to fraction form
    8,605.94/11,866.71 = 5,948.73/x
  3. Step 3: Cross multiply
    8,605.94x = 11,866.71 × 5,948.73
  4. Step 4: Simplify right side
    8,605.94x = 70,591,868.57
  5. Step 5: Solve for x
    x = 70,591,868.57/8,605.94
  6. Step 6: Final answer
    x = 8,202.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.