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Finding the Fourth Proportional to 4,791.48, 6,613.02 and 4,005.24

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Solution

The fourth proportional to 4,791.48, 6,613.02 and 4,005.24 is: 5,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.48 : 6,613.02 = 4,005.24 : x
  2. Step 2: Convert to fraction form
    4,791.48/6,613.02 = 4,005.24/x
  3. Step 3: Cross multiply
    4,791.48x = 6,613.02 × 4,005.24
  4. Step 4: Simplify right side
    4,791.48x = 26,486,732.22
  5. Step 5: Solve for x
    x = 26,486,732.22/4,791.48
  6. Step 6: Final answer
    x = 5,527.88

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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.