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Finding the Fourth Proportional to 18,552.08, 27,823.80 and 8,681.96

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Solution

The fourth proportional to 18,552.08, 27,823.80 and 8,681.96 is: 13,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.08 : 27,823.80 = 8,681.96 : x
  2. Step 2: Convert to fraction form
    18,552.08/27,823.80 = 8,681.96/x
  3. Step 3: Cross multiply
    18,552.08x = 27,823.80 × 8,681.96
  4. Step 4: Simplify right side
    18,552.08x = 241,565,118.65
  5. Step 5: Solve for x
    x = 241,565,118.65/18,552.08
  6. Step 6: Final answer
    x = 13,020.92

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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.