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Finding the Fourth Proportional to 50,759.02, 70,046.43 and 28,098

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Solution

The fourth proportional to 50,759.02, 70,046.43 and 28,098 is: 38,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,759.02 : 70,046.43 = 28,098 : x
  2. Step 2: Convert to fraction form
    50,759.02/70,046.43 = 28,098/x
  3. Step 3: Cross multiply
    50,759.02x = 70,046.43 × 28,098
  4. Step 4: Simplify right side
    50,759.02x = 1,968,164,484.77
  5. Step 5: Solve for x
    x = 1,968,164,484.77/50,759.02
  6. Step 6: Final answer
    x = 38,774.67

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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.