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Finding the Fourth Proportional to 64,755.59, 97,138.85 and 18,008.46

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Solution

The fourth proportional to 64,755.59, 97,138.85 and 18,008.46 is: 27,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.59 : 97,138.85 = 18,008.46 : x
  2. Step 2: Convert to fraction form
    64,755.59/97,138.85 = 18,008.46/x
  3. Step 3: Cross multiply
    64,755.59x = 97,138.85 × 18,008.46
  4. Step 4: Simplify right side
    64,755.59x = 1,749,321,004.63
  5. Step 5: Solve for x
    x = 1,749,321,004.63/64,755.59
  6. Step 6: Final answer
    x = 27,014.21

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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.