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Finding the Fourth Proportional to 65,003.75, 97,505.63 and 15,755.75

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Solution

The fourth proportional to 65,003.75, 97,505.63 and 15,755.75 is: 23,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.75 : 97,505.63 = 15,755.75 : x
  2. Step 2: Convert to fraction form
    65,003.75/97,505.63 = 15,755.75/x
  3. Step 3: Cross multiply
    65,003.75x = 97,505.63 × 15,755.75
  4. Step 4: Simplify right side
    65,003.75x = 1,536,274,329.87
  5. Step 5: Solve for x
    x = 1,536,274,329.87/65,003.75
  6. Step 6: Final answer
    x = 23,633.63

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1.5x scale

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.