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Finding the Fourth Proportional to 11,470.78, 17,211.04 and 6,270.58

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Solution

The fourth proportional to 11,470.78, 17,211.04 and 6,270.58 is: 9,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.78 : 17,211.04 = 6,270.58 : x
  2. Step 2: Convert to fraction form
    11,470.78/17,211.04 = 6,270.58/x
  3. Step 3: Cross multiply
    11,470.78x = 17,211.04 × 6,270.58
  4. Step 4: Simplify right side
    11,470.78x = 107,923,203.20
  5. Step 5: Solve for x
    x = 107,923,203.20/11,470.78
  6. Step 6: Final answer
    x = 9,408.53

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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.