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Finding the Fourth Proportional to 7,104.88, 10,644.36 and 3,968.56

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Solution

The fourth proportional to 7,104.88, 10,644.36 and 3,968.56 is: 5,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.88 : 10,644.36 = 3,968.56 : x
  2. Step 2: Convert to fraction form
    7,104.88/10,644.36 = 3,968.56/x
  3. Step 3: Cross multiply
    7,104.88x = 10,644.36 × 3,968.56
  4. Step 4: Simplify right side
    7,104.88x = 42,242,781.32
  5. Step 5: Solve for x
    x = 42,242,781.32/7,104.88
  6. Step 6: Final answer
    x = 5,945.60

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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.