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Finding the Fourth Proportional to 69,509.09, 95,919.97 and 37,677.30

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Solution

The fourth proportional to 69,509.09, 95,919.97 and 37,677.30 is: 51,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.09 : 95,919.97 = 37,677.30 : x
  2. Step 2: Convert to fraction form
    69,509.09/95,919.97 = 37,677.30/x
  3. Step 3: Cross multiply
    69,509.09x = 95,919.97 × 37,677.30
  4. Step 4: Simplify right side
    69,509.09x = 3,614,005,485.68
  5. Step 5: Solve for x
    x = 3,614,005,485.68/69,509.09
  6. Step 6: Final answer
    x = 51,993.28

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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.