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Finding the Fourth Proportional to 65,984.63, 98,993.34 and 19,237.50

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Solution

The fourth proportional to 65,984.63, 98,993.34 and 19,237.50 is: 28,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,984.63 : 98,993.34 = 19,237.50 : x
  2. Step 2: Convert to fraction form
    65,984.63/98,993.34 = 19,237.50/x
  3. Step 3: Cross multiply
    65,984.63x = 98,993.34 × 19,237.50
  4. Step 4: Simplify right side
    65,984.63x = 1,904,384,378.25
  5. Step 5: Solve for x
    x = 1,904,384,378.25/65,984.63
  6. Step 6: Final answer
    x = 28,861.03

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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.