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Finding the Fourth Proportional to 8,593.81, 11,859.95 and 4,818.22

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Solution

The fourth proportional to 8,593.81, 11,859.95 and 4,818.22 is: 6,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.81 : 11,859.95 = 4,818.22 : x
  2. Step 2: Convert to fraction form
    8,593.81/11,859.95 = 4,818.22/x
  3. Step 3: Cross multiply
    8,593.81x = 11,859.95 × 4,818.22
  4. Step 4: Simplify right side
    8,593.81x = 57,143,830.68
  5. Step 5: Solve for x
    x = 57,143,830.68/8,593.81
  6. Step 6: Final answer
    x = 6,649.42

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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.