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Finding the Fourth Proportional to 5,756.55, 7,941.96 and 3,768.24

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Solution

The fourth proportional to 5,756.55, 7,941.96 and 3,768.24 is: 5,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.55 : 7,941.96 = 3,768.24 : x
  2. Step 2: Convert to fraction form
    5,756.55/7,941.96 = 3,768.24/x
  3. Step 3: Cross multiply
    5,756.55x = 7,941.96 × 3,768.24
  4. Step 4: Simplify right side
    5,756.55x = 29,927,211.35
  5. Step 5: Solve for x
    x = 29,927,211.35/5,756.55
  6. Step 6: Final answer
    x = 5,198.81

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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.