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Finding the Fourth Proportional to 18,565.80, 27,841.84 and 8,037.36

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Solution

The fourth proportional to 18,565.80, 27,841.84 and 8,037.36 is: 12,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.80 : 27,841.84 = 8,037.36 : x
  2. Step 2: Convert to fraction form
    18,565.80/27,841.84 = 8,037.36/x
  3. Step 3: Cross multiply
    18,565.80x = 27,841.84 × 8,037.36
  4. Step 4: Simplify right side
    18,565.80x = 223,774,891.14
  5. Step 5: Solve for x
    x = 223,774,891.14/18,565.80
  6. Step 6: Final answer
    x = 12,053.07

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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.