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Finding the Fourth Proportional to 66,645.10, 99,973.92 and 24,525.99

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Solution

The fourth proportional to 66,645.10, 99,973.92 and 24,525.99 is: 36,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,645.10 : 99,973.92 = 24,525.99 : x
  2. Step 2: Convert to fraction form
    66,645.10/99,973.92 = 24,525.99/x
  3. Step 3: Cross multiply
    66,645.10x = 99,973.92 × 24,525.99
  4. Step 4: Simplify right side
    66,645.10x = 2,451,959,362.18
  5. Step 5: Solve for x
    x = 2,451,959,362.18/66,645.10
  6. Step 6: Final answer
    x = 36,791.29

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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.