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Finding the Fourth Proportional to 18,592.88, 27,819.61 and 11,068.92

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Solution

The fourth proportional to 18,592.88, 27,819.61 and 11,068.92 is: 16,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.88 : 27,819.61 = 11,068.92 : x
  2. Step 2: Convert to fraction form
    18,592.88/27,819.61 = 11,068.92/x
  3. Step 3: Cross multiply
    18,592.88x = 27,819.61 × 11,068.92
  4. Step 4: Simplify right side
    18,592.88x = 307,932,967.97
  5. Step 5: Solve for x
    x = 307,932,967.97/18,592.88
  6. Step 6: Final answer
    x = 16,561.88

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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.