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Finding the Fourth Proportional to 3,620.68, 4,996.48 and 2,048.68

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Solution

The fourth proportional to 3,620.68, 4,996.48 and 2,048.68 is: 2,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.68 : 4,996.48 = 2,048.68 : x
  2. Step 2: Convert to fraction form
    3,620.68/4,996.48 = 2,048.68/x
  3. Step 3: Cross multiply
    3,620.68x = 4,996.48 × 2,048.68
  4. Step 4: Simplify right side
    3,620.68x = 10,236,188.65
  5. Step 5: Solve for x
    x = 10,236,188.65/3,620.68
  6. Step 6: Final answer
    x = 2,827.15

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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.