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Finding the Fourth Proportional to 50,884.72, 70,225.22 and 28,231.00

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Solution

The fourth proportional to 50,884.72, 70,225.22 and 28,231.00 is: 38,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,884.72 : 70,225.22 = 28,231.00 : x
  2. Step 2: Convert to fraction form
    50,884.72/70,225.22 = 28,231.00/x
  3. Step 3: Cross multiply
    50,884.72x = 70,225.22 × 28,231.00
  4. Step 4: Simplify right side
    50,884.72x = 1,982,527,693.54
  5. Step 5: Solve for x
    x = 1,982,527,693.54/50,884.72
  6. Step 6: Final answer
    x = 38,961.16

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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.