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Finding the Fourth Proportional to 6,741.88, 10,114.43 and 2,124.88

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Solution

The fourth proportional to 6,741.88, 10,114.43 and 2,124.88 is: 3,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.88 : 10,114.43 = 2,124.88 : x
  2. Step 2: Convert to fraction form
    6,741.88/10,114.43 = 2,124.88/x
  3. Step 3: Cross multiply
    6,741.88x = 10,114.43 × 2,124.88
  4. Step 4: Simplify right side
    6,741.88x = 21,491,950.02
  5. Step 5: Solve for x
    x = 21,491,950.02/6,741.88
  6. Step 6: Final answer
    x = 3,187.83

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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.