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Finding the Fourth Proportional to 32,908.83, 49,318.51 and 13,917.67

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Solution

The fourth proportional to 32,908.83, 49,318.51 and 13,917.67 is: 20,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,908.83 : 49,318.51 = 13,917.67 : x
  2. Step 2: Convert to fraction form
    32,908.83/49,318.51 = 13,917.67/x
  3. Step 3: Cross multiply
    32,908.83x = 49,318.51 × 13,917.67
  4. Step 4: Simplify right side
    32,908.83x = 686,398,835.57
  5. Step 5: Solve for x
    x = 686,398,835.57/32,908.83
  6. Step 6: Final answer
    x = 20,857.59

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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.