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Finding the Fourth Proportional to 6,930.63, 10,382.18 and 6,363.63

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Solution

The fourth proportional to 6,930.63, 10,382.18 and 6,363.63 is: 9,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.63 : 10,382.18 = 6,363.63 : x
  2. Step 2: Convert to fraction form
    6,930.63/10,382.18 = 6,363.63/x
  3. Step 3: Cross multiply
    6,930.63x = 10,382.18 × 6,363.63
  4. Step 4: Simplify right side
    6,930.63x = 66,068,320.30
  5. Step 5: Solve for x
    x = 66,068,320.30/6,930.63
  6. Step 6: Final answer
    x = 9,532.80

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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.