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Finding the Fourth Proportional to 3,251.93, 4,879.75 and 3,225.50

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Solution

The fourth proportional to 3,251.93, 4,879.75 and 3,225.50 is: 4,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.93 : 4,879.75 = 3,225.50 : x
  2. Step 2: Convert to fraction form
    3,251.93/4,879.75 = 3,225.50/x
  3. Step 3: Cross multiply
    3,251.93x = 4,879.75 × 3,225.50
  4. Step 4: Simplify right side
    3,251.93x = 15,739,633.63
  5. Step 5: Solve for x
    x = 15,739,633.63/3,251.93
  6. Step 6: Final answer
    x = 4,840.09

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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.