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Finding the Fourth Proportional to 4,944.74, 7,407.30 and 2,601.20

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Solution

The fourth proportional to 4,944.74, 7,407.30 and 2,601.20 is: 3,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.74 : 7,407.30 = 2,601.20 : x
  2. Step 2: Convert to fraction form
    4,944.74/7,407.30 = 2,601.20/x
  3. Step 3: Cross multiply
    4,944.74x = 7,407.30 × 2,601.20
  4. Step 4: Simplify right side
    4,944.74x = 19,267,855.75
  5. Step 5: Solve for x
    x = 19,267,855.75/4,944.74
  6. Step 6: Final answer
    x = 3,896.64

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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.