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Finding the Fourth Proportional to 18,583.08, 27,874.62 and 6,893.16

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Solution

The fourth proportional to 18,583.08, 27,874.62 and 6,893.16 is: 10,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.08 : 27,874.62 = 6,893.16 : x
  2. Step 2: Convert to fraction form
    18,583.08/27,874.62 = 6,893.16/x
  3. Step 3: Cross multiply
    18,583.08x = 27,874.62 × 6,893.16
  4. Step 4: Simplify right side
    18,583.08x = 192,144,215.60
  5. Step 5: Solve for x
    x = 192,144,215.60/18,583.08
  6. Step 6: Final answer
    x = 10,339.74

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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.