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Finding the Fourth Proportional to 2,916, 4,024.16 and 1,673.92

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Solution

The fourth proportional to 2,916, 4,024.16 and 1,673.92 is: 2,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916 : 4,024.16 = 1,673.92 : x
  2. Step 2: Convert to fraction form
    2,916/4,024.16 = 1,673.92/x
  3. Step 3: Cross multiply
    2,916x = 4,024.16 × 1,673.92
  4. Step 4: Simplify right side
    2,916x = 6,736,121.91
  5. Step 5: Solve for x
    x = 6,736,121.91/2,916
  6. Step 6: Final answer
    x = 2,310.06

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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.