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Finding the Fourth Proportional to 50,892.17, 70,231.62 and 28,232.64

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Solution

The fourth proportional to 50,892.17, 70,231.62 and 28,232.64 is: 38,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,892.17 : 70,231.62 = 28,232.64 : x
  2. Step 2: Convert to fraction form
    50,892.17/70,231.62 = 28,232.64/x
  3. Step 3: Cross multiply
    50,892.17x = 70,231.62 × 28,232.64
  4. Step 4: Simplify right side
    50,892.17x = 1,982,824,044.08
  5. Step 5: Solve for x
    x = 1,982,824,044.08/50,892.17
  6. Step 6: Final answer
    x = 38,961.28

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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.