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Finding the Fourth Proportional to 6,008, 8,291.88 and 3,916.64

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Solution

The fourth proportional to 6,008, 8,291.88 and 3,916.64 is: 5,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,008 : 8,291.88 = 3,916.64 : x
  2. Step 2: Convert to fraction form
    6,008/8,291.88 = 3,916.64/x
  3. Step 3: Cross multiply
    6,008x = 8,291.88 × 3,916.64
  4. Step 4: Simplify right side
    6,008x = 32,476,308.88
  5. Step 5: Solve for x
    x = 32,476,308.88/6,008
  6. Step 6: Final answer
    x = 5,405.51

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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.