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Finding the Fourth Proportional to 33,808.60, 50,712.90 and 15,376.60

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Solution

The fourth proportional to 33,808.60, 50,712.90 and 15,376.60 is: 23,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,808.60 : 50,712.90 = 15,376.60 : x
  2. Step 2: Convert to fraction form
    33,808.60/50,712.90 = 15,376.60/x
  3. Step 3: Cross multiply
    33,808.60x = 50,712.90 × 15,376.60
  4. Step 4: Simplify right side
    33,808.60x = 779,791,978.14
  5. Step 5: Solve for x
    x = 779,791,978.14/33,808.60
  6. Step 6: Final answer
    x = 23,064.90

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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.