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Finding the Fourth Proportional to 34,708.52, 52,056.22 and 16,921.32

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Solution

The fourth proportional to 34,708.52, 52,056.22 and 16,921.32 is: 25,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,708.52 : 52,056.22 = 16,921.32 : x
  2. Step 2: Convert to fraction form
    34,708.52/52,056.22 = 16,921.32/x
  3. Step 3: Cross multiply
    34,708.52x = 52,056.22 × 16,921.32
  4. Step 4: Simplify right side
    34,708.52x = 880,859,956.61
  5. Step 5: Solve for x
    x = 880,859,956.61/34,708.52
  6. Step 6: Final answer
    x = 25,378.78

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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.