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Finding the Fourth Proportional to 7,675.44, 10,611.14 and 7,605.38

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Solution

The fourth proportional to 7,675.44, 10,611.14 and 7,605.38 is: 10,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.44 : 10,611.14 = 7,605.38 : x
  2. Step 2: Convert to fraction form
    7,675.44/10,611.14 = 7,605.38/x
  3. Step 3: Cross multiply
    7,675.44x = 10,611.14 × 7,605.38
  4. Step 4: Simplify right side
    7,675.44x = 80,701,680.75
  5. Step 5: Solve for x
    x = 80,701,680.75/7,675.44
  6. Step 6: Final answer
    x = 10,514.27

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Half scale
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Double scale
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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.