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Finding the Fourth Proportional to 12,433.29, 17,160.02 and 7,956.82

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Solution

The fourth proportional to 12,433.29, 17,160.02 and 7,956.82 is: 10,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.29 : 17,160.02 = 7,956.82 : x
  2. Step 2: Convert to fraction form
    12,433.29/17,160.02 = 7,956.82/x
  3. Step 3: Cross multiply
    12,433.29x = 17,160.02 × 7,956.82
  4. Step 4: Simplify right side
    12,433.29x = 136,539,190.34
  5. Step 5: Solve for x
    x = 136,539,190.34/12,433.29
  6. Step 6: Final answer
    x = 10,981.74

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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.