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Finding the Fourth Proportional to 12,959.72, 17,883.69 and 7,294.71

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Solution

The fourth proportional to 12,959.72, 17,883.69 and 7,294.71 is: 10,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.72 : 17,883.69 = 7,294.71 : x
  2. Step 2: Convert to fraction form
    12,959.72/17,883.69 = 7,294.71/x
  3. Step 3: Cross multiply
    12,959.72x = 17,883.69 × 7,294.71
  4. Step 4: Simplify right side
    12,959.72x = 130,456,332.28
  5. Step 5: Solve for x
    x = 130,456,332.28/12,959.72
  6. Step 6: Final answer
    x = 10,066.30

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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.