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Finding the Fourth Proportional to 3,479.80, 4,800.18 and 2,063.08

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Solution

The fourth proportional to 3,479.80, 4,800.18 and 2,063.08 is: 2,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.80 : 4,800.18 = 2,063.08 : x
  2. Step 2: Convert to fraction form
    3,479.80/4,800.18 = 2,063.08/x
  3. Step 3: Cross multiply
    3,479.80x = 4,800.18 × 2,063.08
  4. Step 4: Simplify right side
    3,479.80x = 9,903,155.35
  5. Step 5: Solve for x
    x = 9,903,155.35/3,479.80
  6. Step 6: Final answer
    x = 2,845.90

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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.