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Finding the Fourth Proportional to 17,615.64, 26,423.46 and 5,927.88

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Solution

The fourth proportional to 17,615.64, 26,423.46 and 5,927.88 is: 8,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.64 : 26,423.46 = 5,927.88 : x
  2. Step 2: Convert to fraction form
    17,615.64/26,423.46 = 5,927.88/x
  3. Step 3: Cross multiply
    17,615.64x = 26,423.46 × 5,927.88
  4. Step 4: Simplify right side
    17,615.64x = 156,635,100.06
  5. Step 5: Solve for x
    x = 156,635,100.06/17,615.64
  6. Step 6: Final answer
    x = 8,891.82

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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.