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Finding the Fourth Proportional to 3,570.54, 4,900.62 and 3,238.44

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Solution

The fourth proportional to 3,570.54, 4,900.62 and 3,238.44 is: 4,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.54 : 4,900.62 = 3,238.44 : x
  2. Step 2: Convert to fraction form
    3,570.54/4,900.62 = 3,238.44/x
  3. Step 3: Cross multiply
    3,570.54x = 4,900.62 × 3,238.44
  4. Step 4: Simplify right side
    3,570.54x = 15,870,363.83
  5. Step 5: Solve for x
    x = 15,870,363.83/3,570.54
  6. Step 6: Final answer
    x = 4,444.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.