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Finding the Fourth Proportional to 55,797.20, 83,696.48 and 16,355.11

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Solution

The fourth proportional to 55,797.20, 83,696.48 and 16,355.11 is: 24,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.20 : 83,696.48 = 16,355.11 : x
  2. Step 2: Convert to fraction form
    55,797.20/83,696.48 = 16,355.11/x
  3. Step 3: Cross multiply
    55,797.20x = 83,696.48 × 16,355.11
  4. Step 4: Simplify right side
    55,797.20x = 1,368,865,262.08
  5. Step 5: Solve for x
    x = 1,368,865,262.08/55,797.20
  6. Step 6: Final answer
    x = 24,532.87

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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.