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Finding the Fourth Proportional to 35,679.66, 53,519.99 and 16,961.60

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Solution

The fourth proportional to 35,679.66, 53,519.99 and 16,961.60 is: 25,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.66 : 53,519.99 = 16,961.60 : x
  2. Step 2: Convert to fraction form
    35,679.66/53,519.99 = 16,961.60/x
  3. Step 3: Cross multiply
    35,679.66x = 53,519.99 × 16,961.60
  4. Step 4: Simplify right side
    35,679.66x = 907,784,309.98
  5. Step 5: Solve for x
    x = 907,784,309.98/35,679.66
  6. Step 6: Final answer
    x = 25,442.63

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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.