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Finding the Fourth Proportional to 12,395.81, 18,593.82 and 4,604.63

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Solution

The fourth proportional to 12,395.81, 18,593.82 and 4,604.63 is: 6,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.81 : 18,593.82 = 4,604.63 : x
  2. Step 2: Convert to fraction form
    12,395.81/18,593.82 = 4,604.63/x
  3. Step 3: Cross multiply
    12,395.81x = 18,593.82 × 4,604.63
  4. Step 4: Simplify right side
    12,395.81x = 85,617,568.42
  5. Step 5: Solve for x
    x = 85,617,568.42/12,395.81
  6. Step 6: Final answer
    x = 6,906.98

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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.