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Finding the Fourth Proportional to 35,236.66, 52,859.88 and 11,869.78

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Solution

The fourth proportional to 35,236.66, 52,859.88 and 11,869.78 is: 17,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,236.66 : 52,859.88 = 11,869.78 : x
  2. Step 2: Convert to fraction form
    35,236.66/52,859.88 = 11,869.78/x
  3. Step 3: Cross multiply
    35,236.66x = 52,859.88 × 11,869.78
  4. Step 4: Simplify right side
    35,236.66x = 627,435,146.43
  5. Step 5: Solve for x
    x = 627,435,146.43/35,236.66
  6. Step 6: Final answer
    x = 17,806.32

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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.