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Finding the Fourth Proportional to 27,658.50, 41,487.75 and 8,954.16

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Solution

The fourth proportional to 27,658.50, 41,487.75 and 8,954.16 is: 13,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658.50 : 41,487.75 = 8,954.16 : x
  2. Step 2: Convert to fraction form
    27,658.50/41,487.75 = 8,954.16/x
  3. Step 3: Cross multiply
    27,658.50x = 41,487.75 × 8,954.16
  4. Step 4: Simplify right side
    27,658.50x = 371,487,951.54
  5. Step 5: Solve for x
    x = 371,487,951.54/27,658.50
  6. Step 6: Final answer
    x = 13,431.24

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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.