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Finding the Fourth Proportional to 69,107.84, 95,362.62 and 38,895.56

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Solution

The fourth proportional to 69,107.84, 95,362.62 and 38,895.56 is: 53,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,107.84 : 95,362.62 = 38,895.56 : x
  2. Step 2: Convert to fraction form
    69,107.84/95,362.62 = 38,895.56/x
  3. Step 3: Cross multiply
    69,107.84x = 95,362.62 × 38,895.56
  4. Step 4: Simplify right side
    69,107.84x = 3,709,182,507.97
  5. Step 5: Solve for x
    x = 3,709,182,507.97/69,107.84
  6. Step 6: Final answer
    x = 53,672.38

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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.