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Finding the Fourth Proportional to 69,107.79, 95,368.66 and 38,893.33

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Solution

The fourth proportional to 69,107.79, 95,368.66 and 38,893.33 is: 53,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,107.79 : 95,368.66 = 38,893.33 : x
  2. Step 2: Convert to fraction form
    69,107.79/95,368.66 = 38,893.33/x
  3. Step 3: Cross multiply
    69,107.79x = 95,368.66 × 38,893.33
  4. Step 4: Simplify right side
    69,107.79x = 3,709,204,250.57
  5. Step 5: Solve for x
    x = 3,709,204,250.57/69,107.79
  6. Step 6: Final answer
    x = 53,672.74

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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.