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Finding the Fourth Proportional to 18,564.66, 27,853.83 and 8,707.14

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Solution

The fourth proportional to 18,564.66, 27,853.83 and 8,707.14 is: 13,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.66 : 27,853.83 = 8,707.14 : x
  2. Step 2: Convert to fraction form
    18,564.66/27,853.83 = 8,707.14/x
  3. Step 3: Cross multiply
    18,564.66x = 27,853.83 × 8,707.14
  4. Step 4: Simplify right side
    18,564.66x = 242,527,197.35
  5. Step 5: Solve for x
    x = 242,527,197.35/18,564.66
  6. Step 6: Final answer
    x = 13,063.92

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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.