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Finding the Fourth Proportional to 65,958.03, 98,946.36 and 21,588.39

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Solution

The fourth proportional to 65,958.03, 98,946.36 and 21,588.39 is: 32,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,958.03 : 98,946.36 = 21,588.39 : x
  2. Step 2: Convert to fraction form
    65,958.03/98,946.36 = 21,588.39/x
  3. Step 3: Cross multiply
    65,958.03x = 98,946.36 × 21,588.39
  4. Step 4: Simplify right side
    65,958.03x = 2,136,092,608.76
  5. Step 5: Solve for x
    x = 2,136,092,608.76/65,958.03
  6. Step 6: Final answer
    x = 32,385.63

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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.