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Finding the Fourth Proportional to 2,916.02, 4,024.22 and 1,589.80

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Solution

The fourth proportional to 2,916.02, 4,024.22 and 1,589.80 is: 2,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.02 : 4,024.22 = 1,589.80 : x
  2. Step 2: Convert to fraction form
    2,916.02/4,024.22 = 1,589.80/x
  3. Step 3: Cross multiply
    2,916.02x = 4,024.22 × 1,589.80
  4. Step 4: Simplify right side
    2,916.02x = 6,397,704.96
  5. Step 5: Solve for x
    x = 6,397,704.96/2,916.02
  6. Step 6: Final answer
    x = 2,193.99

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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.