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Finding the Fourth Proportional to 6,636.85, 9,959.79 and 2,741.23

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Solution

The fourth proportional to 6,636.85, 9,959.79 and 2,741.23 is: 4,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.85 : 9,959.79 = 2,741.23 : x
  2. Step 2: Convert to fraction form
    6,636.85/9,959.79 = 2,741.23/x
  3. Step 3: Cross multiply
    6,636.85x = 9,959.79 × 2,741.23
  4. Step 4: Simplify right side
    6,636.85x = 27,302,025.34
  5. Step 5: Solve for x
    x = 27,302,025.34/6,636.85
  6. Step 6: Final answer
    x = 4,113.71

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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.