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Finding the Fourth Proportional to 6,709.74, 10,072.10 and 3,941.56

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Solution

The fourth proportional to 6,709.74, 10,072.10 and 3,941.56 is: 5,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.74 : 10,072.10 = 3,941.56 : x
  2. Step 2: Convert to fraction form
    6,709.74/10,072.10 = 3,941.56/x
  3. Step 3: Cross multiply
    6,709.74x = 10,072.10 × 3,941.56
  4. Step 4: Simplify right side
    6,709.74x = 39,699,786.75
  5. Step 5: Solve for x
    x = 39,699,786.75/6,709.74
  6. Step 6: Final answer
    x = 5,916.74

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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.