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Finding the Fourth Proportional to 27,193.11, 40,784.79 and 7,202.73

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Solution

The fourth proportional to 27,193.11, 40,784.79 and 7,202.73 is: 10,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,193.11 : 40,784.79 = 7,202.73 : x
  2. Step 2: Convert to fraction form
    27,193.11/40,784.79 = 7,202.73/x
  3. Step 3: Cross multiply
    27,193.11x = 40,784.79 × 7,202.73
  4. Step 4: Simplify right side
    27,193.11x = 293,761,830.48
  5. Step 5: Solve for x
    x = 293,761,830.48/27,193.11
  6. Step 6: Final answer
    x = 10,802.80

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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.