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Finding the Fourth Proportional to 69,474.76, 95,873.91 and 39,259.43

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Solution

The fourth proportional to 69,474.76, 95,873.91 and 39,259.43 is: 54,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,474.76 : 95,873.91 = 39,259.43 : x
  2. Step 2: Convert to fraction form
    69,474.76/95,873.91 = 39,259.43/x
  3. Step 3: Cross multiply
    69,474.76x = 95,873.91 × 39,259.43
  4. Step 4: Simplify right side
    69,474.76x = 3,763,955,058.47
  5. Step 5: Solve for x
    x = 3,763,955,058.47/69,474.76
  6. Step 6: Final answer
    x = 54,177.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.