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Finding the Fourth Proportional to 28,794.80, 39,737.48 and 16,049.29

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Solution

The fourth proportional to 28,794.80, 39,737.48 and 16,049.29 is: 22,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.80 : 39,737.48 = 16,049.29 : x
  2. Step 2: Convert to fraction form
    28,794.80/39,737.48 = 16,049.29/x
  3. Step 3: Cross multiply
    28,794.80x = 39,737.48 × 16,049.29
  4. Step 4: Simplify right side
    28,794.80x = 637,758,340.39
  5. Step 5: Solve for x
    x = 637,758,340.39/28,794.80
  6. Step 6: Final answer
    x = 22,148.39

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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.