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Finding the Fourth Proportional to 6,992.51, 10,488.77 and 6,299.15

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Solution

The fourth proportional to 6,992.51, 10,488.77 and 6,299.15 is: 9,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.51 : 10,488.77 = 6,299.15 : x
  2. Step 2: Convert to fraction form
    6,992.51/10,488.77 = 6,299.15/x
  3. Step 3: Cross multiply
    6,992.51x = 10,488.77 × 6,299.15
  4. Step 4: Simplify right side
    6,992.51x = 66,070,304.05
  5. Step 5: Solve for x
    x = 66,070,304.05/6,992.51
  6. Step 6: Final answer
    x = 9,448.73

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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.