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Finding the Fourth Proportional to 69,906.71, 96,471.22 and 38,075.62

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Solution

The fourth proportional to 69,906.71, 96,471.22 and 38,075.62 is: 52,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,906.71 : 96,471.22 = 38,075.62 : x
  2. Step 2: Convert to fraction form
    69,906.71/96,471.22 = 38,075.62/x
  3. Step 3: Cross multiply
    69,906.71x = 96,471.22 × 38,075.62
  4. Step 4: Simplify right side
    69,906.71x = 3,673,201,429.56
  5. Step 5: Solve for x
    x = 3,673,201,429.56/69,906.71
  6. Step 6: Final answer
    x = 52,544.33

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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.