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Finding the Fourth Proportional to 71,866.88, 107,796.66 and 27,490.22

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Solution

The fourth proportional to 71,866.88, 107,796.66 and 27,490.22 is: 41,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,866.88 : 107,796.66 = 27,490.22 : x
  2. Step 2: Convert to fraction form
    71,866.88/107,796.66 = 27,490.22/x
  3. Step 3: Cross multiply
    71,866.88x = 107,796.66 × 27,490.22
  4. Step 4: Simplify right side
    71,866.88x = 2,963,353,898.67
  5. Step 5: Solve for x
    x = 2,963,353,898.67/71,866.88
  6. Step 6: Final answer
    x = 41,233.93

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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.