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Finding the Fourth Proportional to 4,515.51, 6,773.27 and 1,916.63

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Solution

The fourth proportional to 4,515.51, 6,773.27 and 1,916.63 is: 2,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.51 : 6,773.27 = 1,916.63 : x
  2. Step 2: Convert to fraction form
    4,515.51/6,773.27 = 1,916.63/x
  3. Step 3: Cross multiply
    4,515.51x = 6,773.27 × 1,916.63
  4. Step 4: Simplify right side
    4,515.51x = 12,981,809.03
  5. Step 5: Solve for x
    x = 12,981,809.03/4,515.51
  6. Step 6: Final answer
    x = 2,874.94

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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.