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Finding the Fourth Proportional to 69,322.77, 95,668.83 and 39,107.48

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Solution

The fourth proportional to 69,322.77, 95,668.83 and 39,107.48 is: 53,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,322.77 : 95,668.83 = 39,107.48 : x
  2. Step 2: Convert to fraction form
    69,322.77/95,668.83 = 39,107.48/x
  3. Step 3: Cross multiply
    69,322.77x = 95,668.83 × 39,107.48
  4. Step 4: Simplify right side
    69,322.77x = 3,741,366,377.50
  5. Step 5: Solve for x
    x = 3,741,366,377.50/69,322.77
  6. Step 6: Final answer
    x = 53,970.24

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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.