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Finding the Fourth Proportional to 5,449.99, 7,523.27 and 3,683.99

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Solution

The fourth proportional to 5,449.99, 7,523.27 and 3,683.99 is: 5,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.99 : 7,523.27 = 3,683.99 : x
  2. Step 2: Convert to fraction form
    5,449.99/7,523.27 = 3,683.99/x
  3. Step 3: Cross multiply
    5,449.99x = 7,523.27 × 3,683.99
  4. Step 4: Simplify right side
    5,449.99x = 27,715,613.83
  5. Step 5: Solve for x
    x = 27,715,613.83/5,449.99
  6. Step 6: Final answer
    x = 5,085.44

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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.