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Finding the Fourth Proportional to 8,916.44, 13,374.10 and 2,342.48

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Solution

The fourth proportional to 8,916.44, 13,374.10 and 2,342.48 is: 3,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.44 : 13,374.10 = 2,342.48 : x
  2. Step 2: Convert to fraction form
    8,916.44/13,374.10 = 2,342.48/x
  3. Step 3: Cross multiply
    8,916.44x = 13,374.10 × 2,342.48
  4. Step 4: Simplify right side
    8,916.44x = 31,328,561.77
  5. Step 5: Solve for x
    x = 31,328,561.77/8,916.44
  6. Step 6: Final answer
    x = 3,513.57

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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.