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Finding the Fourth Proportional to 6,496.40, 9,730.20 and 3,414.80

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Solution

The fourth proportional to 6,496.40, 9,730.20 and 3,414.80 is: 5,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496.40 : 9,730.20 = 3,414.80 : x
  2. Step 2: Convert to fraction form
    6,496.40/9,730.20 = 3,414.80/x
  3. Step 3: Cross multiply
    6,496.40x = 9,730.20 × 3,414.80
  4. Step 4: Simplify right side
    6,496.40x = 33,226,686.96
  5. Step 5: Solve for x
    x = 33,226,686.96/6,496.40
  6. Step 6: Final answer
    x = 5,114.63

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1.5x scale

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.