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Finding the Fourth Proportional to 27,955.40, 41,932.20 and 9,236.30

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Solution

The fourth proportional to 27,955.40, 41,932.20 and 9,236.30 is: 13,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.40 : 41,932.20 = 9,236.30 : x
  2. Step 2: Convert to fraction form
    27,955.40/41,932.20 = 9,236.30/x
  3. Step 3: Cross multiply
    27,955.40x = 41,932.20 × 9,236.30
  4. Step 4: Simplify right side
    27,955.40x = 387,298,378.86
  5. Step 5: Solve for x
    x = 387,298,378.86/27,955.40
  6. Step 6: Final answer
    x = 13,854.15

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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.