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Finding the Fourth Proportional to 8,401.68, 11,597.18 and 4,866.03

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Solution

The fourth proportional to 8,401.68, 11,597.18 and 4,866.03 is: 6,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.68 : 11,597.18 = 4,866.03 : x
  2. Step 2: Convert to fraction form
    8,401.68/11,597.18 = 4,866.03/x
  3. Step 3: Cross multiply
    8,401.68x = 11,597.18 × 4,866.03
  4. Step 4: Simplify right side
    8,401.68x = 56,432,201.47
  5. Step 5: Solve for x
    x = 56,432,201.47/8,401.68
  6. Step 6: Final answer
    x = 6,716.78

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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.