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Finding the Fourth Proportional to 8,593.96, 12,887.50 and 4,208.68

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Solution

The fourth proportional to 8,593.96, 12,887.50 and 4,208.68 is: 6,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.96 : 12,887.50 = 4,208.68 : x
  2. Step 2: Convert to fraction form
    8,593.96/12,887.50 = 4,208.68/x
  3. Step 3: Cross multiply
    8,593.96x = 12,887.50 × 4,208.68
  4. Step 4: Simplify right side
    8,593.96x = 54,239,363.50
  5. Step 5: Solve for x
    x = 54,239,363.50/8,593.96
  6. Step 6: Final answer
    x = 6,311.34

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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.