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Finding the Fourth Proportional to 6,611.73, 9,106.14 and 6,136.08

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Solution

The fourth proportional to 6,611.73, 9,106.14 and 6,136.08 is: 8,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.73 : 9,106.14 = 6,136.08 : x
  2. Step 2: Convert to fraction form
    6,611.73/9,106.14 = 6,136.08/x
  3. Step 3: Cross multiply
    6,611.73x = 9,106.14 × 6,136.08
  4. Step 4: Simplify right side
    6,611.73x = 55,876,003.53
  5. Step 5: Solve for x
    x = 55,876,003.53/6,611.73
  6. Step 6: Final answer
    x = 8,451.04

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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.