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Finding the Fourth Proportional to 8,425.96, 11,627.04 and 4,648.22

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Solution

The fourth proportional to 8,425.96, 11,627.04 and 4,648.22 is: 6,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.96 : 11,627.04 = 4,648.22 : x
  2. Step 2: Convert to fraction form
    8,425.96/11,627.04 = 4,648.22/x
  3. Step 3: Cross multiply
    8,425.96x = 11,627.04 × 4,648.22
  4. Step 4: Simplify right side
    8,425.96x = 54,045,042.77
  5. Step 5: Solve for x
    x = 54,045,042.77/8,425.96
  6. Step 6: Final answer
    x = 6,414.11

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Double scale
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Similar ratio
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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.