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Finding the Fourth Proportional to 7,775.02, 11,658.57 and 2,843.38

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Solution

The fourth proportional to 7,775.02, 11,658.57 and 2,843.38 is: 4,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.02 : 11,658.57 = 2,843.38 : x
  2. Step 2: Convert to fraction form
    7,775.02/11,658.57 = 2,843.38/x
  3. Step 3: Cross multiply
    7,775.02x = 11,658.57 × 2,843.38
  4. Step 4: Simplify right side
    7,775.02x = 33,149,744.77
  5. Step 5: Solve for x
    x = 33,149,744.77/7,775.02
  6. Step 6: Final answer
    x = 4,263.62

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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.