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Finding the Fourth Proportional to 18,802.92, 28,149.54 and 16,296.54

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Solution

The fourth proportional to 18,802.92, 28,149.54 and 16,296.54 is: 24,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.92 : 28,149.54 = 16,296.54 : x
  2. Step 2: Convert to fraction form
    18,802.92/28,149.54 = 16,296.54/x
  3. Step 3: Cross multiply
    18,802.92x = 28,149.54 × 16,296.54
  4. Step 4: Simplify right side
    18,802.92x = 458,740,104.59
  5. Step 5: Solve for x
    x = 458,740,104.59/18,802.92
  6. Step 6: Final answer
    x = 24,397.28

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1.5x scale

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.