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Finding the Fourth Proportional to 69,188.67, 95,467.67 and 38,967.53

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Solution

The fourth proportional to 69,188.67, 95,467.67 and 38,967.53 is: 53,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,188.67 : 95,467.67 = 38,967.53 : x
  2. Step 2: Convert to fraction form
    69,188.67/95,467.67 = 38,967.53/x
  3. Step 3: Cross multiply
    69,188.67x = 95,467.67 × 38,967.53
  4. Step 4: Simplify right side
    69,188.67x = 3,720,138,622.58
  5. Step 5: Solve for x
    x = 3,720,138,622.58/69,188.67
  6. Step 6: Final answer
    x = 53,768.03

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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.