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Finding the Fourth Proportional to 5,276.56, 7,899.72 and 3,542.08

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Solution

The fourth proportional to 5,276.56, 7,899.72 and 3,542.08 is: 5,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.56 : 7,899.72 = 3,542.08 : x
  2. Step 2: Convert to fraction form
    5,276.56/7,899.72 = 3,542.08/x
  3. Step 3: Cross multiply
    5,276.56x = 7,899.72 × 3,542.08
  4. Step 4: Simplify right side
    5,276.56x = 27,981,440.22
  5. Step 5: Solve for x
    x = 27,981,440.22/5,276.56
  6. Step 6: Final answer
    x = 5,302.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.