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Finding the Fourth Proportional to 9,447, 14,171.31 and 4,520.58

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Solution

The fourth proportional to 9,447, 14,171.31 and 4,520.58 is: 6,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447 : 14,171.31 = 4,520.58 : x
  2. Step 2: Convert to fraction form
    9,447/14,171.31 = 4,520.58/x
  3. Step 3: Cross multiply
    9,447x = 14,171.31 × 4,520.58
  4. Step 4: Simplify right side
    9,447x = 64,062,540.56
  5. Step 5: Solve for x
    x = 64,062,540.56/9,447
  6. Step 6: Final answer
    x = 6,781.26

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Double scale
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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.