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Finding the Fourth Proportional to 6,954.90, 9,597.71 and 3,811.10

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Solution

The fourth proportional to 6,954.90, 9,597.71 and 3,811.10 is: 5,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.90 : 9,597.71 = 3,811.10 : x
  2. Step 2: Convert to fraction form
    6,954.90/9,597.71 = 3,811.10/x
  3. Step 3: Cross multiply
    6,954.90x = 9,597.71 × 3,811.10
  4. Step 4: Simplify right side
    6,954.90x = 36,577,832.58
  5. Step 5: Solve for x
    x = 36,577,832.58/6,954.90
  6. Step 6: Final answer
    x = 5,259.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.