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Finding the Fourth Proportional to 7,150.26, 9,867.48 and 4,007.18

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Solution

The fourth proportional to 7,150.26, 9,867.48 and 4,007.18 is: 5,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.26 : 9,867.48 = 4,007.18 : x
  2. Step 2: Convert to fraction form
    7,150.26/9,867.48 = 4,007.18/x
  3. Step 3: Cross multiply
    7,150.26x = 9,867.48 × 4,007.18
  4. Step 4: Simplify right side
    7,150.26x = 39,540,768.51
  5. Step 5: Solve for x
    x = 39,540,768.51/7,150.26
  6. Step 6: Final answer
    x = 5,529.98

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