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Finding the Fourth Proportional to 61,054.44, 91,594.81 and 18,933.67

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Solution

The fourth proportional to 61,054.44, 91,594.81 and 18,933.67 is: 28,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,054.44 : 91,594.81 = 18,933.67 : x
  2. Step 2: Convert to fraction form
    61,054.44/91,594.81 = 18,933.67/x
  3. Step 3: Cross multiply
    61,054.44x = 91,594.81 × 18,933.67
  4. Step 4: Simplify right side
    61,054.44x = 1,734,225,906.25
  5. Step 5: Solve for x
    x = 1,734,225,906.25/61,054.44
  6. Step 6: Final answer
    x = 28,404.58

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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.