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Finding the Fourth Proportional to 27,083.97, 40,611.07 and 8,358.90

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Solution

The fourth proportional to 27,083.97, 40,611.07 and 8,358.90 is: 12,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,083.97 : 40,611.07 = 8,358.90 : x
  2. Step 2: Convert to fraction form
    27,083.97/40,611.07 = 8,358.90/x
  3. Step 3: Cross multiply
    27,083.97x = 40,611.07 × 8,358.90
  4. Step 4: Simplify right side
    27,083.97x = 339,463,831.23
  5. Step 5: Solve for x
    x = 339,463,831.23/27,083.97
  6. Step 6: Final answer
    x = 12,533.75

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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.