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Finding the Fourth Proportional to 8,579.66, 11,840.12 and 4,802.73

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Solution

The fourth proportional to 8,579.66, 11,840.12 and 4,802.73 is: 6,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.66 : 11,840.12 = 4,802.73 : x
  2. Step 2: Convert to fraction form
    8,579.66/11,840.12 = 4,802.73/x
  3. Step 3: Cross multiply
    8,579.66x = 11,840.12 × 4,802.73
  4. Step 4: Simplify right side
    8,579.66x = 56,864,876.14
  5. Step 5: Solve for x
    x = 56,864,876.14/8,579.66
  6. Step 6: Final answer
    x = 6,627.87

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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.