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Finding the Fourth Proportional to 6,392.70, 8,806.80 and 6,097.44

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Solution

The fourth proportional to 6,392.70, 8,806.80 and 6,097.44 is: 8,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.70 : 8,806.80 = 6,097.44 : x
  2. Step 2: Convert to fraction form
    6,392.70/8,806.80 = 6,097.44/x
  3. Step 3: Cross multiply
    6,392.70x = 8,806.80 × 6,097.44
  4. Step 4: Simplify right side
    6,392.70x = 53,698,934.59
  5. Step 5: Solve for x
    x = 53,698,934.59/6,392.70
  6. Step 6: Final answer
    x = 8,400.04

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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.