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Finding the Fourth Proportional to 11,670.44, 17,512.90 and 4,744.92

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Solution

The fourth proportional to 11,670.44, 17,512.90 and 4,744.92 is: 7,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.44 : 17,512.90 = 4,744.92 : x
  2. Step 2: Convert to fraction form
    11,670.44/17,512.90 = 4,744.92/x
  3. Step 3: Cross multiply
    11,670.44x = 17,512.90 × 4,744.92
  4. Step 4: Simplify right side
    11,670.44x = 83,097,309.47
  5. Step 5: Solve for x
    x = 83,097,309.47/11,670.44
  6. Step 6: Final answer
    x = 7,120.32

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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.