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Finding the Fourth Proportional to 5,470.08, 8,205.16 and 2,184

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Solution

The fourth proportional to 5,470.08, 8,205.16 and 2,184 is: 3,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.08 : 8,205.16 = 2,184 : x
  2. Step 2: Convert to fraction form
    5,470.08/8,205.16 = 2,184/x
  3. Step 3: Cross multiply
    5,470.08x = 8,205.16 × 2,184
  4. Step 4: Simplify right side
    5,470.08x = 17,920,069.44
  5. Step 5: Solve for x
    x = 17,920,069.44/5,470.08
  6. Step 6: Final answer
    x = 3,276.02

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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.