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Finding the Fourth Proportional to 15,635.48, 23,436.78 and 5,768.48

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Solution

The fourth proportional to 15,635.48, 23,436.78 and 5,768.48 is: 8,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.48 : 23,436.78 = 5,768.48 : x
  2. Step 2: Convert to fraction form
    15,635.48/23,436.78 = 5,768.48/x
  3. Step 3: Cross multiply
    15,635.48x = 23,436.78 × 5,768.48
  4. Step 4: Simplify right side
    15,635.48x = 135,194,596.69
  5. Step 5: Solve for x
    x = 135,194,596.69/15,635.48
  6. Step 6: Final answer
    x = 8,646.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.