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Finding the Fourth Proportional to 28,163.00, 38,869.71 and 16,233.27

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Solution

The fourth proportional to 28,163.00, 38,869.71 and 16,233.27 is: 22,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.00 : 38,869.71 = 16,233.27 : x
  2. Step 2: Convert to fraction form
    28,163.00/38,869.71 = 16,233.27/x
  3. Step 3: Cross multiply
    28,163.00x = 38,869.71 × 16,233.27
  4. Step 4: Simplify right side
    28,163.00x = 630,982,509.26
  5. Step 5: Solve for x
    x = 630,982,509.26/28,163.00
  6. Step 6: Final answer
    x = 22,404.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.