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Finding the Fourth Proportional to 69,618.30, 96,072.93 and 37,786.92

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Solution

The fourth proportional to 69,618.30, 96,072.93 and 37,786.92 is: 52,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.30 : 96,072.93 = 37,786.92 : x
  2. Step 2: Convert to fraction form
    69,618.30/96,072.93 = 37,786.92/x
  3. Step 3: Cross multiply
    69,618.30x = 96,072.93 × 37,786.92
  4. Step 4: Simplify right side
    69,618.30x = 3,630,300,120.08
  5. Step 5: Solve for x
    x = 3,630,300,120.08/69,618.30
  6. Step 6: Final answer
    x = 52,145.77

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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.