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Finding the Fourth Proportional to 27,955.53, 41,928.17 and 9,235.76

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Solution

The fourth proportional to 27,955.53, 41,928.17 and 9,235.76 is: 13,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.53 : 41,928.17 = 9,235.76 : x
  2. Step 2: Convert to fraction form
    27,955.53/41,928.17 = 9,235.76/x
  3. Step 3: Cross multiply
    27,955.53x = 41,928.17 × 9,235.76
  4. Step 4: Simplify right side
    27,955.53x = 387,238,259.54
  5. Step 5: Solve for x
    x = 387,238,259.54/27,955.53
  6. Step 6: Final answer
    x = 13,851.94

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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.