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Finding the Fourth Proportional to 10,367.10, 15,550.65 and 7,451.10

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Solution

The fourth proportional to 10,367.10, 15,550.65 and 7,451.10 is: 11,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.10 : 15,550.65 = 7,451.10 : x
  2. Step 2: Convert to fraction form
    10,367.10/15,550.65 = 7,451.10/x
  3. Step 3: Cross multiply
    10,367.10x = 15,550.65 × 7,451.10
  4. Step 4: Simplify right side
    10,367.10x = 115,869,448.22
  5. Step 5: Solve for x
    x = 115,869,448.22/10,367.10
  6. Step 6: Final answer
    x = 11,176.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.