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Finding the Fourth Proportional to 9,815.59, 14,723.39 and 6,906.88

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Solution

The fourth proportional to 9,815.59, 14,723.39 and 6,906.88 is: 10,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.59 : 14,723.39 = 6,906.88 : x
  2. Step 2: Convert to fraction form
    9,815.59/14,723.39 = 6,906.88/x
  3. Step 3: Cross multiply
    9,815.59x = 14,723.39 × 6,906.88
  4. Step 4: Simplify right side
    9,815.59x = 101,692,723.59
  5. Step 5: Solve for x
    x = 101,692,723.59/9,815.59
  6. Step 6: Final answer
    x = 10,360.33

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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.