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Finding the Fourth Proportional to 23,788.60, 35,672.10 and 8,992.60

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Solution

The fourth proportional to 23,788.60, 35,672.10 and 8,992.60 is: 13,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.60 : 35,672.10 = 8,992.60 : x
  2. Step 2: Convert to fraction form
    23,788.60/35,672.10 = 8,992.60/x
  3. Step 3: Cross multiply
    23,788.60x = 35,672.10 × 8,992.60
  4. Step 4: Simplify right side
    23,788.60x = 320,784,926.46
  5. Step 5: Solve for x
    x = 320,784,926.46/23,788.60
  6. Step 6: Final answer
    x = 13,484.82

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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.