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Finding the Fourth Proportional to 18,562.16, 27,850.08 and 8,704.64

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Solution

The fourth proportional to 18,562.16, 27,850.08 and 8,704.64 is: 13,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.16 : 27,850.08 = 8,704.64 : x
  2. Step 2: Convert to fraction form
    18,562.16/27,850.08 = 8,704.64/x
  3. Step 3: Cross multiply
    18,562.16x = 27,850.08 × 8,704.64
  4. Step 4: Simplify right side
    18,562.16x = 242,424,920.37
  5. Step 5: Solve for x
    x = 242,424,920.37/18,562.16
  6. Step 6: Final answer
    x = 13,060.17

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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.