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Finding the Fourth Proportional to 7,367.76, 11,051.64 and 7,338.60

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Solution

The fourth proportional to 7,367.76, 11,051.64 and 7,338.60 is: 11,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.76 : 11,051.64 = 7,338.60 : x
  2. Step 2: Convert to fraction form
    7,367.76/11,051.64 = 7,338.60/x
  3. Step 3: Cross multiply
    7,367.76x = 11,051.64 × 7,338.60
  4. Step 4: Simplify right side
    7,367.76x = 81,103,565.30
  5. Step 5: Solve for x
    x = 81,103,565.30/7,367.76
  6. Step 6: Final answer
    x = 11,007.90

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Similar ratio
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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.