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Finding the Fourth Proportional to 5,225.09, 7,210.94 and 2,867.22

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Solution

The fourth proportional to 5,225.09, 7,210.94 and 2,867.22 is: 3,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.09 : 7,210.94 = 2,867.22 : x
  2. Step 2: Convert to fraction form
    5,225.09/7,210.94 = 2,867.22/x
  3. Step 3: Cross multiply
    5,225.09x = 7,210.94 × 2,867.22
  4. Step 4: Simplify right side
    5,225.09x = 20,675,337.05
  5. Step 5: Solve for x
    x = 20,675,337.05/5,225.09
  6. Step 6: Final answer
    x = 3,956.94

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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.