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Finding the Fourth Proportional to 8,627.62, 11,908.68 and 5,602.66

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Solution

The fourth proportional to 8,627.62, 11,908.68 and 5,602.66 is: 7,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.62 : 11,908.68 = 5,602.66 : x
  2. Step 2: Convert to fraction form
    8,627.62/11,908.68 = 5,602.66/x
  3. Step 3: Cross multiply
    8,627.62x = 11,908.68 × 5,602.66
  4. Step 4: Simplify right side
    8,627.62x = 66,720,285.09
  5. Step 5: Solve for x
    x = 66,720,285.09/8,627.62
  6. Step 6: Final answer
    x = 7,733.34

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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.