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Finding the Fourth Proportional to 6,999.73, 10,448.37 and 6,169.37

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Solution

The fourth proportional to 6,999.73, 10,448.37 and 6,169.37 is: 9,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.73 : 10,448.37 = 6,169.37 : x
  2. Step 2: Convert to fraction form
    6,999.73/10,448.37 = 6,169.37/x
  3. Step 3: Cross multiply
    6,999.73x = 10,448.37 × 6,169.37
  4. Step 4: Simplify right side
    6,999.73x = 64,459,860.43
  5. Step 5: Solve for x
    x = 64,459,860.43/6,999.73
  6. Step 6: Final answer
    x = 9,208.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.