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Finding the Fourth Proportional to 34,752.15, 47,958.02 and 18,836.60

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Solution

The fourth proportional to 34,752.15, 47,958.02 and 18,836.60 is: 25,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,752.15 : 47,958.02 = 18,836.60 : x
  2. Step 2: Convert to fraction form
    34,752.15/47,958.02 = 18,836.60/x
  3. Step 3: Cross multiply
    34,752.15x = 47,958.02 × 18,836.60
  4. Step 4: Simplify right side
    34,752.15x = 903,365,705.56
  5. Step 5: Solve for x
    x = 903,365,705.56/34,752.15
  6. Step 6: Final answer
    x = 25,994.53

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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.