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Finding the Fourth Proportional to 9,311.58, 13,950.93 and 9,081.96

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Solution

The fourth proportional to 9,311.58, 13,950.93 and 9,081.96 is: 13,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.58 : 13,950.93 = 9,081.96 : x
  2. Step 2: Convert to fraction form
    9,311.58/13,950.93 = 9,081.96/x
  3. Step 3: Cross multiply
    9,311.58x = 13,950.93 × 9,081.96
  4. Step 4: Simplify right side
    9,311.58x = 126,701,788.22
  5. Step 5: Solve for x
    x = 126,701,788.22/9,311.58
  6. Step 6: Final answer
    x = 13,606.91

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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.