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Finding the Fourth Proportional to 27,275.67, 40,917.56 and 8,557.25

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Solution

The fourth proportional to 27,275.67, 40,917.56 and 8,557.25 is: 12,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.67 : 40,917.56 = 8,557.25 : x
  2. Step 2: Convert to fraction form
    27,275.67/40,917.56 = 8,557.25/x
  3. Step 3: Cross multiply
    27,275.67x = 40,917.56 × 8,557.25
  4. Step 4: Simplify right side
    27,275.67x = 350,141,542.94
  5. Step 5: Solve for x
    x = 350,141,542.94/27,275.67
  6. Step 6: Final answer
    x = 12,837.14

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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.