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Finding the Fourth Proportional to 6,964.02, 9,611.55 and 4,866.66

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Solution

The fourth proportional to 6,964.02, 9,611.55 and 4,866.66 is: 6,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.02 : 9,611.55 = 4,866.66 : x
  2. Step 2: Convert to fraction form
    6,964.02/9,611.55 = 4,866.66/x
  3. Step 3: Cross multiply
    6,964.02x = 9,611.55 × 4,866.66
  4. Step 4: Simplify right side
    6,964.02x = 46,776,145.92
  5. Step 5: Solve for x
    x = 46,776,145.92/6,964.02
  6. Step 6: Final answer
    x = 6,716.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.