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Finding the Fourth Proportional to 7,950.90, 11,907.89 and 6,966.75

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Solution

The fourth proportional to 7,950.90, 11,907.89 and 6,966.75 is: 10,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.90 : 11,907.89 = 6,966.75 : x
  2. Step 2: Convert to fraction form
    7,950.90/11,907.89 = 6,966.75/x
  3. Step 3: Cross multiply
    7,950.90x = 11,907.89 × 6,966.75
  4. Step 4: Simplify right side
    7,950.90x = 82,959,292.66
  5. Step 5: Solve for x
    x = 82,959,292.66/7,950.90
  6. Step 6: Final answer
    x = 10,433.95

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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.