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Finding the Fourth Proportional to 53,956.53, 80,944.04 and 16,515.67

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Solution

The fourth proportional to 53,956.53, 80,944.04 and 16,515.67 is: 24,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,956.53 : 80,944.04 = 16,515.67 : x
  2. Step 2: Convert to fraction form
    53,956.53/80,944.04 = 16,515.67/x
  3. Step 3: Cross multiply
    53,956.53x = 80,944.04 × 16,515.67
  4. Step 4: Simplify right side
    53,956.53x = 1,336,845,053.11
  5. Step 5: Solve for x
    x = 1,336,845,053.11/53,956.53
  6. Step 6: Final answer
    x = 24,776.33

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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.