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Finding the Fourth Proportional to 6,799.60, 10,213.80 and 6,554.80

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Solution

The fourth proportional to 6,799.60, 10,213.80 and 6,554.80 is: 9,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.60 : 10,213.80 = 6,554.80 : x
  2. Step 2: Convert to fraction form
    6,799.60/10,213.80 = 6,554.80/x
  3. Step 3: Cross multiply
    6,799.60x = 10,213.80 × 6,554.80
  4. Step 4: Simplify right side
    6,799.60x = 66,949,416.24
  5. Step 5: Solve for x
    x = 66,949,416.24/6,799.60
  6. Step 6: Final answer
    x = 9,846.08

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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.