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Finding the Fourth Proportional to 17,800.68, 26,684.92 and 8,434.88

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Solution

The fourth proportional to 17,800.68, 26,684.92 and 8,434.88 is: 12,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.68 : 26,684.92 = 8,434.88 : x
  2. Step 2: Convert to fraction form
    17,800.68/26,684.92 = 8,434.88/x
  3. Step 3: Cross multiply
    17,800.68x = 26,684.92 × 8,434.88
  4. Step 4: Simplify right side
    17,800.68x = 225,084,098.01
  5. Step 5: Solve for x
    x = 225,084,098.01/17,800.68
  6. Step 6: Final answer
    x = 12,644.69

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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.