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Finding the Fourth Proportional to 2,916.84, 4,025.26 and 1,737.99

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Solution

The fourth proportional to 2,916.84, 4,025.26 and 1,737.99 is: 2,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.84 : 4,025.26 = 1,737.99 : x
  2. Step 2: Convert to fraction form
    2,916.84/4,025.26 = 1,737.99/x
  3. Step 3: Cross multiply
    2,916.84x = 4,025.26 × 1,737.99
  4. Step 4: Simplify right side
    2,916.84x = 6,995,863.80
  5. Step 5: Solve for x
    x = 6,995,863.80/2,916.84
  6. Step 6: Final answer
    x = 2,398.44

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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.