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Finding the Fourth Proportional to 9,070.57, 13,611.11 and 3,805.11

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Solution

The fourth proportional to 9,070.57, 13,611.11 and 3,805.11 is: 5,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.57 : 13,611.11 = 3,805.11 : x
  2. Step 2: Convert to fraction form
    9,070.57/13,611.11 = 3,805.11/x
  3. Step 3: Cross multiply
    9,070.57x = 13,611.11 × 3,805.11
  4. Step 4: Simplify right side
    9,070.57x = 51,791,751.75
  5. Step 5: Solve for x
    x = 51,791,751.75/9,070.57
  6. Step 6: Final answer
    x = 5,709.87

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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.