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Finding the Fourth Proportional to 43,662.72, 65,415.84 and 26,534.48

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Solution

The fourth proportional to 43,662.72, 65,415.84 and 26,534.48 is: 39,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,662.72 : 65,415.84 = 26,534.48 : x
  2. Step 2: Convert to fraction form
    43,662.72/65,415.84 = 26,534.48/x
  3. Step 3: Cross multiply
    43,662.72x = 65,415.84 × 26,534.48
  4. Step 4: Simplify right side
    43,662.72x = 1,735,775,298.16
  5. Step 5: Solve for x
    x = 1,735,775,298.16/43,662.72
  6. Step 6: Final answer
    x = 39,754.17

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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.