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Finding the Fourth Proportional to 4,703.92, 6,491.52 and 2,608

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Solution

The fourth proportional to 4,703.92, 6,491.52 and 2,608 is: 3,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.92 : 6,491.52 = 2,608 : x
  2. Step 2: Convert to fraction form
    4,703.92/6,491.52 = 2,608/x
  3. Step 3: Cross multiply
    4,703.92x = 6,491.52 × 2,608
  4. Step 4: Simplify right side
    4,703.92x = 16,929,884.16
  5. Step 5: Solve for x
    x = 16,929,884.16/4,703.92
  6. Step 6: Final answer
    x = 3,599.10

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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.