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Finding the Fourth Proportional to 8,393.86, 12,593.90 and 3,463.93

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Solution

The fourth proportional to 8,393.86, 12,593.90 and 3,463.93 is: 5,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.86 : 12,593.90 = 3,463.93 : x
  2. Step 2: Convert to fraction form
    8,393.86/12,593.90 = 3,463.93/x
  3. Step 3: Cross multiply
    8,393.86x = 12,593.90 × 3,463.93
  4. Step 4: Simplify right side
    8,393.86x = 43,624,388.03
  5. Step 5: Solve for x
    x = 43,624,388.03/8,393.86
  6. Step 6: Final answer
    x = 5,197.18

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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.