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Finding the Fourth Proportional to 7,261.74, 10,894.50 and 2,068.02

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Solution

The fourth proportional to 7,261.74, 10,894.50 and 2,068.02 is: 3,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.74 : 10,894.50 = 2,068.02 : x
  2. Step 2: Convert to fraction form
    7,261.74/10,894.50 = 2,068.02/x
  3. Step 3: Cross multiply
    7,261.74x = 10,894.50 × 2,068.02
  4. Step 4: Simplify right side
    7,261.74x = 22,530,043.89
  5. Step 5: Solve for x
    x = 22,530,043.89/7,261.74
  6. Step 6: Final answer
    x = 3,102.57

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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.