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Finding the Fourth Proportional to 8,967.64, 12,375.58 and 4,934.58

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Solution

The fourth proportional to 8,967.64, 12,375.58 and 4,934.58 is: 6,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.64 : 12,375.58 = 4,934.58 : x
  2. Step 2: Convert to fraction form
    8,967.64/12,375.58 = 4,934.58/x
  3. Step 3: Cross multiply
    8,967.64x = 12,375.58 × 4,934.58
  4. Step 4: Simplify right side
    8,967.64x = 61,068,241.33
  5. Step 5: Solve for x
    x = 61,068,241.33/8,967.64
  6. Step 6: Final answer
    x = 6,809.84

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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.