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Finding the Fourth Proportional to 69,135.50, 95,412.24 and 41,919.50

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Solution

The fourth proportional to 69,135.50, 95,412.24 and 41,919.50 is: 57,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.50 : 95,412.24 = 41,919.50 : x
  2. Step 2: Convert to fraction form
    69,135.50/95,412.24 = 41,919.50/x
  3. Step 3: Cross multiply
    69,135.50x = 95,412.24 × 41,919.50
  4. Step 4: Simplify right side
    69,135.50x = 3,999,633,394.68
  5. Step 5: Solve for x
    x = 3,999,633,394.68/69,135.50
  6. Step 6: Final answer
    x = 57,852.09

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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.