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Finding the Fourth Proportional to 69,323.39, 95,665.88 and 39,108.97

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Solution

The fourth proportional to 69,323.39, 95,665.88 and 39,108.97 is: 53,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,323.39 : 95,665.88 = 39,108.97 : x
  2. Step 2: Convert to fraction form
    69,323.39/95,665.88 = 39,108.97/x
  3. Step 3: Cross multiply
    69,323.39x = 95,665.88 × 39,108.97
  4. Step 4: Simplify right side
    69,323.39x = 3,741,393,889.55
  5. Step 5: Solve for x
    x = 3,741,393,889.55/69,323.39
  6. Step 6: Final answer
    x = 53,970.16

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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.