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Finding the Fourth Proportional to 7,846.80, 11,766.42 and 4,560.84

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Solution

The fourth proportional to 7,846.80, 11,766.42 and 4,560.84 is: 6,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.80 : 11,766.42 = 4,560.84 : x
  2. Step 2: Convert to fraction form
    7,846.80/11,766.42 = 4,560.84/x
  3. Step 3: Cross multiply
    7,846.80x = 11,766.42 × 4,560.84
  4. Step 4: Simplify right side
    7,846.80x = 53,664,758.99
  5. Step 5: Solve for x
    x = 53,664,758.99/7,846.80
  6. Step 6: Final answer
    x = 6,839.06

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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.