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Finding the Fourth Proportional to 2,624.40, 3,620.09 and 2,063.98

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Solution

The fourth proportional to 2,624.40, 3,620.09 and 2,063.98 is: 2,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.40 : 3,620.09 = 2,063.98 : x
  2. Step 2: Convert to fraction form
    2,624.40/3,620.09 = 2,063.98/x
  3. Step 3: Cross multiply
    2,624.40x = 3,620.09 × 2,063.98
  4. Step 4: Simplify right side
    2,624.40x = 7,471,803.04
  5. Step 5: Solve for x
    x = 7,471,803.04/2,624.40
  6. Step 6: Final answer
    x = 2,847.05

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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.