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Finding the Fourth Proportional to 5,754.96, 8,616.60 and 2,975.76

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Solution

The fourth proportional to 5,754.96, 8,616.60 and 2,975.76 is: 4,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.96 : 8,616.60 = 2,975.76 : x
  2. Step 2: Convert to fraction form
    5,754.96/8,616.60 = 2,975.76/x
  3. Step 3: Cross multiply
    5,754.96x = 8,616.60 × 2,975.76
  4. Step 4: Simplify right side
    5,754.96x = 25,640,933.62
  5. Step 5: Solve for x
    x = 25,640,933.62/5,754.96
  6. Step 6: Final answer
    x = 4,455.45

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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.