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Finding the Fourth Proportional to 35,679.16, 53,519.24 and 16,961.10

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Solution

The fourth proportional to 35,679.16, 53,519.24 and 16,961.10 is: 25,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.16 : 53,519.24 = 16,961.10 : x
  2. Step 2: Convert to fraction form
    35,679.16/53,519.24 = 16,961.10/x
  3. Step 3: Cross multiply
    35,679.16x = 53,519.24 × 16,961.10
  4. Step 4: Simplify right side
    35,679.16x = 907,745,181.56
  5. Step 5: Solve for x
    x = 907,745,181.56/35,679.16
  6. Step 6: Final answer
    x = 25,441.89

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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.