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Finding the Fourth Proportional to 5,482.08, 8,223.09 and 3,400.74

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Solution

The fourth proportional to 5,482.08, 8,223.09 and 3,400.74 is: 5,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.08 : 8,223.09 = 3,400.74 : x
  2. Step 2: Convert to fraction form
    5,482.08/8,223.09 = 3,400.74/x
  3. Step 3: Cross multiply
    5,482.08x = 8,223.09 × 3,400.74
  4. Step 4: Simplify right side
    5,482.08x = 27,964,591.09
  5. Step 5: Solve for x
    x = 27,964,591.09/5,482.08
  6. Step 6: Final answer
    x = 5,101.09

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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.