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Finding the Fourth Proportional to 6,959.80, 10,442.12 and 3,063.64

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Solution

The fourth proportional to 6,959.80, 10,442.12 and 3,063.64 is: 4,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.80 : 10,442.12 = 3,063.64 : x
  2. Step 2: Convert to fraction form
    6,959.80/10,442.12 = 3,063.64/x
  3. Step 3: Cross multiply
    6,959.80x = 10,442.12 × 3,063.64
  4. Step 4: Simplify right side
    6,959.80x = 31,990,896.52
  5. Step 5: Solve for x
    x = 31,990,896.52/6,959.80
  6. Step 6: Final answer
    x = 4,596.53

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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.