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Finding the Fourth Proportional to 65,383.88, 98,090.40 and 23,830.88

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Solution

The fourth proportional to 65,383.88, 98,090.40 and 23,830.88 is: 35,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,383.88 : 98,090.40 = 23,830.88 : x
  2. Step 2: Convert to fraction form
    65,383.88/98,090.40 = 23,830.88/x
  3. Step 3: Cross multiply
    65,383.88x = 98,090.40 × 23,830.88
  4. Step 4: Simplify right side
    65,383.88x = 2,337,580,551.55
  5. Step 5: Solve for x
    x = 2,337,580,551.55/65,383.88
  6. Step 6: Final answer
    x = 35,751.63

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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.