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Finding the Fourth Proportional to 15,964.61, 22,027.46 and 9,589.05

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Solution

The fourth proportional to 15,964.61, 22,027.46 and 9,589.05 is: 13,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.61 : 22,027.46 = 9,589.05 : x
  2. Step 2: Convert to fraction form
    15,964.61/22,027.46 = 9,589.05/x
  3. Step 3: Cross multiply
    15,964.61x = 22,027.46 × 9,589.05
  4. Step 4: Simplify right side
    15,964.61x = 211,222,367.37
  5. Step 5: Solve for x
    x = 211,222,367.37/15,964.61
  6. Step 6: Final answer
    x = 13,230.67

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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.