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Finding the Fourth Proportional to 53,951.46, 80,916.84 and 16,501.38

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Solution

The fourth proportional to 53,951.46, 80,916.84 and 16,501.38 is: 24,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,951.46 : 80,916.84 = 16,501.38 : x
  2. Step 2: Convert to fraction form
    53,951.46/80,916.84 = 16,501.38/x
  3. Step 3: Cross multiply
    53,951.46x = 80,916.84 × 16,501.38
  4. Step 4: Simplify right side
    53,951.46x = 1,335,239,525.24
  5. Step 5: Solve for x
    x = 1,335,239,525.24/53,951.46
  6. Step 6: Final answer
    x = 24,748.90

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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.