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Finding the Fourth Proportional to 27,273.31, 40,909.97 and 7,551.87

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Solution

The fourth proportional to 27,273.31, 40,909.97 and 7,551.87 is: 11,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,273.31 : 40,909.97 = 7,551.87 : x
  2. Step 2: Convert to fraction form
    27,273.31/40,909.97 = 7,551.87/x
  3. Step 3: Cross multiply
    27,273.31x = 40,909.97 × 7,551.87
  4. Step 4: Simplify right side
    27,273.31x = 308,946,532.83
  5. Step 5: Solve for x
    x = 308,946,532.83/27,273.31
  6. Step 6: Final answer
    x = 11,327.80

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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.