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Finding the Fourth Proportional to 11,707.16, 17,560.74 and 3,916.52

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Solution

The fourth proportional to 11,707.16, 17,560.74 and 3,916.52 is: 5,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.16 : 17,560.74 = 3,916.52 : x
  2. Step 2: Convert to fraction form
    11,707.16/17,560.74 = 3,916.52/x
  3. Step 3: Cross multiply
    11,707.16x = 17,560.74 × 3,916.52
  4. Step 4: Simplify right side
    11,707.16x = 68,776,989.42
  5. Step 5: Solve for x
    x = 68,776,989.42/11,707.16
  6. Step 6: Final answer
    x = 5,874.78

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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.