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Finding the Fourth Proportional to 33,620.66, 50,430.95 and 10,247.10

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Solution

The fourth proportional to 33,620.66, 50,430.95 and 10,247.10 is: 15,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.66 : 50,430.95 = 10,247.10 : x
  2. Step 2: Convert to fraction form
    33,620.66/50,430.95 = 10,247.10/x
  3. Step 3: Cross multiply
    33,620.66x = 50,430.95 × 10,247.10
  4. Step 4: Simplify right side
    33,620.66x = 516,770,987.75
  5. Step 5: Solve for x
    x = 516,770,987.75/33,620.66
  6. Step 6: Final answer
    x = 15,370.64

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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.