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Finding the Fourth Proportional to 17,887.92, 26,815.20 and 16,411.68

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Solution

The fourth proportional to 17,887.92, 26,815.20 and 16,411.68 is: 24,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.92 : 26,815.20 = 16,411.68 : x
  2. Step 2: Convert to fraction form
    17,887.92/26,815.20 = 16,411.68/x
  3. Step 3: Cross multiply
    17,887.92x = 26,815.20 × 16,411.68
  4. Step 4: Simplify right side
    17,887.92x = 440,082,481.54
  5. Step 5: Solve for x
    x = 440,082,481.54/17,887.92
  6. Step 6: Final answer
    x = 24,602.22

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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.