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Finding the Fourth Proportional to 6,791.50, 9,369.08 and 4,803.15

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Solution

The fourth proportional to 6,791.50, 9,369.08 and 4,803.15 is: 6,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.50 : 9,369.08 = 4,803.15 : x
  2. Step 2: Convert to fraction form
    6,791.50/9,369.08 = 4,803.15/x
  3. Step 3: Cross multiply
    6,791.50x = 9,369.08 × 4,803.15
  4. Step 4: Simplify right side
    6,791.50x = 45,001,096.60
  5. Step 5: Solve for x
    x = 45,001,096.60/6,791.50
  6. Step 6: Final answer
    x = 6,626.09

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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.