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Finding the Fourth Proportional to 12,651.43, 17,458.96 and 7,062.43

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Solution

The fourth proportional to 12,651.43, 17,458.96 and 7,062.43 is: 9,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651.43 : 17,458.96 = 7,062.43 : x
  2. Step 2: Convert to fraction form
    12,651.43/17,458.96 = 7,062.43/x
  3. Step 3: Cross multiply
    12,651.43x = 17,458.96 × 7,062.43
  4. Step 4: Simplify right side
    12,651.43x = 123,302,682.87
  5. Step 5: Solve for x
    x = 123,302,682.87/12,651.43
  6. Step 6: Final answer
    x = 9,746.15

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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.