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Finding the Fourth Proportional to 7,441.66, 11,162.49 and 3,534.22

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Solution

The fourth proportional to 7,441.66, 11,162.49 and 3,534.22 is: 5,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.66 : 11,162.49 = 3,534.22 : x
  2. Step 2: Convert to fraction form
    7,441.66/11,162.49 = 3,534.22/x
  3. Step 3: Cross multiply
    7,441.66x = 11,162.49 × 3,534.22
  4. Step 4: Simplify right side
    7,441.66x = 39,450,695.41
  5. Step 5: Solve for x
    x = 39,450,695.41/7,441.66
  6. Step 6: Final answer
    x = 5,301.33

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Half scale
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Double scale
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Similar ratio
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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.