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Finding the Fourth Proportional to 8,060.43, 11,123.87 and 4,916.64

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Solution

The fourth proportional to 8,060.43, 11,123.87 and 4,916.64 is: 6,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.43 : 11,123.87 = 4,916.64 : x
  2. Step 2: Convert to fraction form
    8,060.43/11,123.87 = 4,916.64/x
  3. Step 3: Cross multiply
    8,060.43x = 11,123.87 × 4,916.64
  4. Step 4: Simplify right side
    8,060.43x = 54,692,020.87
  5. Step 5: Solve for x
    x = 54,692,020.87/8,060.43
  6. Step 6: Final answer
    x = 6,785.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.