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Finding the Fourth Proportional to 53,808.76, 80,717.64 and 16,369.11

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Solution

The fourth proportional to 53,808.76, 80,717.64 and 16,369.11 is: 24,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808.76 : 80,717.64 = 16,369.11 : x
  2. Step 2: Convert to fraction form
    53,808.76/80,717.64 = 16,369.11/x
  3. Step 3: Cross multiply
    53,808.76x = 80,717.64 × 16,369.11
  4. Step 4: Simplify right side
    53,808.76x = 1,321,276,139.77
  5. Step 5: Solve for x
    x = 1,321,276,139.77/53,808.76
  6. Step 6: Final answer
    x = 24,555.04

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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.