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Finding the Fourth Proportional to 7,340.82, 10,130.16 and 4,196.82

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Solution

The fourth proportional to 7,340.82, 10,130.16 and 4,196.82 is: 5,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.82 : 10,130.16 = 4,196.82 : x
  2. Step 2: Convert to fraction form
    7,340.82/10,130.16 = 4,196.82/x
  3. Step 3: Cross multiply
    7,340.82x = 10,130.16 × 4,196.82
  4. Step 4: Simplify right side
    7,340.82x = 42,514,458.09
  5. Step 5: Solve for x
    x = 42,514,458.09/7,340.82
  6. Step 6: Final answer
    x = 5,791.51

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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.