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Finding the Fourth Proportional to 4,791.53, 6,613.10 and 2,801.70

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Solution

The fourth proportional to 4,791.53, 6,613.10 and 2,801.70 is: 3,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.53 : 6,613.10 = 2,801.70 : x
  2. Step 2: Convert to fraction form
    4,791.53/6,613.10 = 2,801.70/x
  3. Step 3: Cross multiply
    4,791.53x = 6,613.10 × 2,801.70
  4. Step 4: Simplify right side
    4,791.53x = 18,527,908.26
  5. Step 5: Solve for x
    x = 18,527,908.26/4,791.53
  6. Step 6: Final answer
    x = 3,866.81

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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.