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Finding the Fourth Proportional to 69,515.92, 95,932.60 and 37,684.90

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Solution

The fourth proportional to 69,515.92, 95,932.60 and 37,684.90 is: 52,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,515.92 : 95,932.60 = 37,684.90 : x
  2. Step 2: Convert to fraction form
    69,515.92/95,932.60 = 37,684.90/x
  3. Step 3: Cross multiply
    69,515.92x = 95,932.60 × 37,684.90
  4. Step 4: Simplify right side
    69,515.92x = 3,615,210,135.80
  5. Step 5: Solve for x
    x = 3,615,210,135.80/69,515.92
  6. Step 6: Final answer
    x = 52,005.50

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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.