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Finding the Fourth Proportional to 6,842.41, 9,441.79 and 4,009.22

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Solution

The fourth proportional to 6,842.41, 9,441.79 and 4,009.22 is: 5,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.41 : 9,441.79 = 4,009.22 : x
  2. Step 2: Convert to fraction form
    6,842.41/9,441.79 = 4,009.22/x
  3. Step 3: Cross multiply
    6,842.41x = 9,441.79 × 4,009.22
  4. Step 4: Simplify right side
    6,842.41x = 37,854,213.30
  5. Step 5: Solve for x
    x = 37,854,213.30/6,842.41
  6. Step 6: Final answer
    x = 5,532.29

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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.