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Finding the Fourth Proportional to 55,328.88, 82,993.83 and 15,885.99

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Solution

The fourth proportional to 55,328.88, 82,993.83 and 15,885.99 is: 23,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328.88 : 82,993.83 = 15,885.99 : x
  2. Step 2: Convert to fraction form
    55,328.88/82,993.83 = 15,885.99/x
  3. Step 3: Cross multiply
    55,328.88x = 82,993.83 × 15,885.99
  4. Step 4: Simplify right side
    55,328.88x = 1,318,439,153.44
  5. Step 5: Solve for x
    x = 1,318,439,153.44/55,328.88
  6. Step 6: Final answer
    x = 23,829.13

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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.