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Finding the Fourth Proportional to 50,285, 69,388.08 and 29,071.04

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Solution

The fourth proportional to 50,285, 69,388.08 and 29,071.04 is: 40,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285 : 69,388.08 = 29,071.04 : x
  2. Step 2: Convert to fraction form
    50,285/69,388.08 = 29,071.04/x
  3. Step 3: Cross multiply
    50,285x = 69,388.08 × 29,071.04
  4. Step 4: Simplify right side
    50,285x = 2,017,183,649.20
  5. Step 5: Solve for x
    x = 2,017,183,649.20/50,285
  6. Step 6: Final answer
    x = 40,115.02

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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.