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Finding the Fourth Proportional to 66,751.70, 100,111.73 and 24,608.88

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Solution

The fourth proportional to 66,751.70, 100,111.73 and 24,608.88 is: 36,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,751.70 : 100,111.73 = 24,608.88 : x
  2. Step 2: Convert to fraction form
    66,751.70/100,111.73 = 24,608.88/x
  3. Step 3: Cross multiply
    66,751.70x = 100,111.73 × 24,608.88
  4. Step 4: Simplify right side
    66,751.70x = 2,463,637,427.12
  5. Step 5: Solve for x
    x = 2,463,637,427.12/66,751.70
  6. Step 6: Final answer
    x = 36,907.49

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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.