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Finding the Fourth Proportional to 10,750.79, 16,125.42 and 3,354.53

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Solution

The fourth proportional to 10,750.79, 16,125.42 and 3,354.53 is: 5,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.79 : 16,125.42 = 3,354.53 : x
  2. Step 2: Convert to fraction form
    10,750.79/16,125.42 = 3,354.53/x
  3. Step 3: Cross multiply
    10,750.79x = 16,125.42 × 3,354.53
  4. Step 4: Simplify right side
    10,750.79x = 54,093,205.15
  5. Step 5: Solve for x
    x = 54,093,205.15/10,750.79
  6. Step 6: Final answer
    x = 5,031.56

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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.