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Finding the Fourth Proportional to 7,276.01, 10,919.48 and 4,809.96

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Solution

The fourth proportional to 7,276.01, 10,919.48 and 4,809.96 is: 7,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.01 : 10,919.48 = 4,809.96 : x
  2. Step 2: Convert to fraction form
    7,276.01/10,919.48 = 4,809.96/x
  3. Step 3: Cross multiply
    7,276.01x = 10,919.48 × 4,809.96
  4. Step 4: Simplify right side
    7,276.01x = 52,522,237.97
  5. Step 5: Solve for x
    x = 52,522,237.97/7,276.01
  6. Step 6: Final answer
    x = 7,218.55

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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.