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Finding the Fourth Proportional to 3,561.77, 4,916.70 and 3,062.41

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Solution

The fourth proportional to 3,561.77, 4,916.70 and 3,062.41 is: 4,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.77 : 4,916.70 = 3,062.41 : x
  2. Step 2: Convert to fraction form
    3,561.77/4,916.70 = 3,062.41/x
  3. Step 3: Cross multiply
    3,561.77x = 4,916.70 × 3,062.41
  4. Step 4: Simplify right side
    3,561.77x = 15,056,938.96
  5. Step 5: Solve for x
    x = 15,056,938.96/3,561.77
  6. Step 6: Final answer
    x = 4,227.37

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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.