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Finding the Fourth Proportional to 69,556.75, 95,990.48 and 39,341.48

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Solution

The fourth proportional to 69,556.75, 95,990.48 and 39,341.48 is: 54,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,556.75 : 95,990.48 = 39,341.48 : x
  2. Step 2: Convert to fraction form
    69,556.75/95,990.48 = 39,341.48/x
  3. Step 3: Cross multiply
    69,556.75x = 95,990.48 × 39,341.48
  4. Step 4: Simplify right side
    69,556.75x = 3,776,407,601.24
  5. Step 5: Solve for x
    x = 3,776,407,601.24/69,556.75
  6. Step 6: Final answer
    x = 54,292.47

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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.