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Finding the Fourth Proportional to 5,770.80, 8,644.05 and 4,798.80

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Solution

The fourth proportional to 5,770.80, 8,644.05 and 4,798.80 is: 7,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.80 : 8,644.05 = 4,798.80 : x
  2. Step 2: Convert to fraction form
    5,770.80/8,644.05 = 4,798.80/x
  3. Step 3: Cross multiply
    5,770.80x = 8,644.05 × 4,798.80
  4. Step 4: Simplify right side
    5,770.80x = 41,481,067.14
  5. Step 5: Solve for x
    x = 41,481,067.14/5,770.80
  6. Step 6: Final answer
    x = 7,188.10

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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.