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Finding the Fourth Proportional to 35,144.70, 52,709.12 and 10,179.15

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Solution

The fourth proportional to 35,144.70, 52,709.12 and 10,179.15 is: 15,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,144.70 : 52,709.12 = 10,179.15 : x
  2. Step 2: Convert to fraction form
    35,144.70/52,709.12 = 10,179.15/x
  3. Step 3: Cross multiply
    35,144.70x = 52,709.12 × 10,179.15
  4. Step 4: Simplify right side
    35,144.70x = 536,533,987.95
  5. Step 5: Solve for x
    x = 536,533,987.95/35,144.70
  6. Step 6: Final answer
    x = 15,266.43

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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.