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Finding the Fourth Proportional to 27,654.87, 41,476.73 and 7,928.13

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Solution

The fourth proportional to 27,654.87, 41,476.73 and 7,928.13 is: 11,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.87 : 41,476.73 = 7,928.13 : x
  2. Step 2: Convert to fraction form
    27,654.87/41,476.73 = 7,928.13/x
  3. Step 3: Cross multiply
    27,654.87x = 41,476.73 × 7,928.13
  4. Step 4: Simplify right side
    27,654.87x = 328,832,867.77
  5. Step 5: Solve for x
    x = 328,832,867.77/27,654.87
  6. Step 6: Final answer
    x = 11,890.60

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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.