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Finding the Fourth Proportional to 6,479.35, 8,941.48 and 3,684.85

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Solution

The fourth proportional to 6,479.35, 8,941.48 and 3,684.85 is: 5,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.35 : 8,941.48 = 3,684.85 : x
  2. Step 2: Convert to fraction form
    6,479.35/8,941.48 = 3,684.85/x
  3. Step 3: Cross multiply
    6,479.35x = 8,941.48 × 3,684.85
  4. Step 4: Simplify right side
    6,479.35x = 32,948,012.58
  5. Step 5: Solve for x
    x = 32,948,012.58/6,479.35
  6. Step 6: Final answer
    x = 5,085.08

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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.