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Finding the Fourth Proportional to 27,272.31, 40,908.47 and 7,550.87

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Solution

The fourth proportional to 27,272.31, 40,908.47 and 7,550.87 is: 11,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.31 : 40,908.47 = 7,550.87 : x
  2. Step 2: Convert to fraction form
    27,272.31/40,908.47 = 7,550.87/x
  3. Step 3: Cross multiply
    27,272.31x = 40,908.47 × 7,550.87
  4. Step 4: Simplify right side
    27,272.31x = 308,894,296.57
  5. Step 5: Solve for x
    x = 308,894,296.57/27,272.31
  6. Step 6: Final answer
    x = 11,326.30

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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.