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Finding the Fourth Proportional to 13,797.82, 20,701.72 and 8,526.66

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Solution

The fourth proportional to 13,797.82, 20,701.72 and 8,526.66 is: 12,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.82 : 20,701.72 = 8,526.66 : x
  2. Step 2: Convert to fraction form
    13,797.82/20,701.72 = 8,526.66/x
  3. Step 3: Cross multiply
    13,797.82x = 20,701.72 × 8,526.66
  4. Step 4: Simplify right side
    13,797.82x = 176,516,527.86
  5. Step 5: Solve for x
    x = 176,516,527.86/13,797.82
  6. Step 6: Final answer
    x = 12,793.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.