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Finding the Fourth Proportional to 8,579.15, 11,841.07 and 5,223.07

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Solution

The fourth proportional to 8,579.15, 11,841.07 and 5,223.07 is: 7,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.15 : 11,841.07 = 5,223.07 : x
  2. Step 2: Convert to fraction form
    8,579.15/11,841.07 = 5,223.07/x
  3. Step 3: Cross multiply
    8,579.15x = 11,841.07 × 5,223.07
  4. Step 4: Simplify right side
    8,579.15x = 61,846,737.48
  5. Step 5: Solve for x
    x = 61,846,737.48/8,579.15
  6. Step 6: Final answer
    x = 7,208.96

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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.