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Finding the Fourth Proportional to 5,947.79, 8,208.23 and 3,589.88

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Solution

The fourth proportional to 5,947.79, 8,208.23 and 3,589.88 is: 4,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.79 : 8,208.23 = 3,589.88 : x
  2. Step 2: Convert to fraction form
    5,947.79/8,208.23 = 3,589.88/x
  3. Step 3: Cross multiply
    5,947.79x = 8,208.23 × 3,589.88
  4. Step 4: Simplify right side
    5,947.79x = 29,466,501.72
  5. Step 5: Solve for x
    x = 29,466,501.72/5,947.79
  6. Step 6: Final answer
    x = 4,954.20

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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.