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Finding the Fourth Proportional to 17,942.55, 26,916.71 and 10,927.74

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Solution

The fourth proportional to 17,942.55, 26,916.71 and 10,927.74 is: 16,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.55 : 26,916.71 = 10,927.74 : x
  2. Step 2: Convert to fraction form
    17,942.55/26,916.71 = 10,927.74/x
  3. Step 3: Cross multiply
    17,942.55x = 26,916.71 × 10,927.74
  4. Step 4: Simplify right side
    17,942.55x = 294,138,854.83
  5. Step 5: Solve for x
    x = 294,138,854.83/17,942.55
  6. Step 6: Final answer
    x = 16,393.37

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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.