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Finding the Fourth Proportional to 7,261.01, 10,881.95 and 2,876.07

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Solution

The fourth proportional to 7,261.01, 10,881.95 and 2,876.07 is: 4,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.01 : 10,881.95 = 2,876.07 : x
  2. Step 2: Convert to fraction form
    7,261.01/10,881.95 = 2,876.07/x
  3. Step 3: Cross multiply
    7,261.01x = 10,881.95 × 2,876.07
  4. Step 4: Simplify right side
    7,261.01x = 31,297,276.36
  5. Step 5: Solve for x
    x = 31,297,276.36/7,261.01
  6. Step 6: Final answer
    x = 4,310.32

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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.