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Finding the Fourth Proportional to 65,003.76, 97,505.62 and 15,755.76

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Solution

The fourth proportional to 65,003.76, 97,505.62 and 15,755.76 is: 23,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.76 : 97,505.62 = 15,755.76 : x
  2. Step 2: Convert to fraction form
    65,003.76/97,505.62 = 15,755.76/x
  3. Step 3: Cross multiply
    65,003.76x = 97,505.62 × 15,755.76
  4. Step 4: Simplify right side
    65,003.76x = 1,536,275,147.37
  5. Step 5: Solve for x
    x = 1,536,275,147.37/65,003.76
  6. Step 6: Final answer
    x = 23,633.64

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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.