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Finding the Fourth Proportional to 8,916.93, 13,374.86 and 2,342.97

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Solution

The fourth proportional to 8,916.93, 13,374.86 and 2,342.97 is: 3,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.93 : 13,374.86 = 2,342.97 : x
  2. Step 2: Convert to fraction form
    8,916.93/13,374.86 = 2,342.97/x
  3. Step 3: Cross multiply
    8,916.93x = 13,374.86 × 2,342.97
  4. Step 4: Simplify right side
    8,916.93x = 31,336,884.02
  5. Step 5: Solve for x
    x = 31,336,884.02/8,916.93
  6. Step 6: Final answer
    x = 3,514.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.