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Finding the Fourth Proportional to 4,966.92, 7,435.80 and 3,480.98

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Solution

The fourth proportional to 4,966.92, 7,435.80 and 3,480.98 is: 5,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.92 : 7,435.80 = 3,480.98 : x
  2. Step 2: Convert to fraction form
    4,966.92/7,435.80 = 3,480.98/x
  3. Step 3: Cross multiply
    4,966.92x = 7,435.80 × 3,480.98
  4. Step 4: Simplify right side
    4,966.92x = 25,883,833.91
  5. Step 5: Solve for x
    x = 25,883,833.91/4,966.92
  6. Step 6: Final answer
    x = 5,211.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.