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Finding the Fourth Proportional to 55,758, 83,644.80 and 16,317.96

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Solution

The fourth proportional to 55,758, 83,644.80 and 16,317.96 is: 24,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758 : 83,644.80 = 16,317.96 : x
  2. Step 2: Convert to fraction form
    55,758/83,644.80 = 16,317.96/x
  3. Step 3: Cross multiply
    55,758x = 83,644.80 × 16,317.96
  4. Step 4: Simplify right side
    55,758x = 1,364,912,500.61
  5. Step 5: Solve for x
    x = 1,364,912,500.61/55,758
  6. Step 6: Final answer
    x = 24,479.22

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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.