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Finding the Fourth Proportional to 6,696.68, 9,242.37 and 3,713.18

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Solution

The fourth proportional to 6,696.68, 9,242.37 and 3,713.18 is: 5,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.68 : 9,242.37 = 3,713.18 : x
  2. Step 2: Convert to fraction form
    6,696.68/9,242.37 = 3,713.18/x
  3. Step 3: Cross multiply
    6,696.68x = 9,242.37 × 3,713.18
  4. Step 4: Simplify right side
    6,696.68x = 34,318,537.22
  5. Step 5: Solve for x
    x = 34,318,537.22/6,696.68
  6. Step 6: Final answer
    x = 5,124.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.