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Finding the Fourth Proportional to 27,321.75, 40,955.27 and 10,658.86

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Solution

The fourth proportional to 27,321.75, 40,955.27 and 10,658.86 is: 15,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.75 : 40,955.27 = 10,658.86 : x
  2. Step 2: Convert to fraction form
    27,321.75/40,955.27 = 10,658.86/x
  3. Step 3: Cross multiply
    27,321.75x = 40,955.27 × 10,658.86
  4. Step 4: Simplify right side
    27,321.75x = 436,536,333.51
  5. Step 5: Solve for x
    x = 436,536,333.51/27,321.75
  6. Step 6: Final answer
    x = 15,977.61

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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.