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Finding the Fourth Proportional to 11,364.44, 15,659.34 and 10,619.24

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Solution

The fourth proportional to 11,364.44, 15,659.34 and 10,619.24 is: 14,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.44 : 15,659.34 = 10,619.24 : x
  2. Step 2: Convert to fraction form
    11,364.44/15,659.34 = 10,619.24/x
  3. Step 3: Cross multiply
    11,364.44x = 15,659.34 × 10,619.24
  4. Step 4: Simplify right side
    11,364.44x = 166,290,289.70
  5. Step 5: Solve for x
    x = 166,290,289.70/11,364.44
  6. Step 6: Final answer
    x = 14,632.51

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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.