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Finding the Fourth Proportional to 69,794.83, 104,525.07 and 38,157.40

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Solution

The fourth proportional to 69,794.83, 104,525.07 and 38,157.40 is: 57,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,794.83 : 104,525.07 = 38,157.40 : x
  2. Step 2: Convert to fraction form
    69,794.83/104,525.07 = 38,157.40/x
  3. Step 3: Cross multiply
    69,794.83x = 104,525.07 × 38,157.40
  4. Step 4: Simplify right side
    69,794.83x = 3,988,404,906.02
  5. Step 5: Solve for x
    x = 3,988,404,906.02/69,794.83
  6. Step 6: Final answer
    x = 57,144.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.