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Finding the Fourth Proportional to 15,951.51, 23,927.09 and 7,180.20

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Solution

The fourth proportional to 15,951.51, 23,927.09 and 7,180.20 is: 10,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.51 : 23,927.09 = 7,180.20 : x
  2. Step 2: Convert to fraction form
    15,951.51/23,927.09 = 7,180.20/x
  3. Step 3: Cross multiply
    15,951.51x = 23,927.09 × 7,180.20
  4. Step 4: Simplify right side
    15,951.51x = 171,801,255.72
  5. Step 5: Solve for x
    x = 171,801,255.72/15,951.51
  6. Step 6: Final answer
    x = 10,770.22

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Similar ratio
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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.