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Finding the Fourth Proportional to 5,809.56, 8,019.92 and 4,134.48

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Solution

The fourth proportional to 5,809.56, 8,019.92 and 4,134.48 is: 5,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.56 : 8,019.92 = 4,134.48 : x
  2. Step 2: Convert to fraction form
    5,809.56/8,019.92 = 4,134.48/x
  3. Step 3: Cross multiply
    5,809.56x = 8,019.92 × 4,134.48
  4. Step 4: Simplify right side
    5,809.56x = 33,158,198.84
  5. Step 5: Solve for x
    x = 33,158,198.84/5,809.56
  6. Step 6: Final answer
    x = 5,707.52

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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.