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Finding the Fourth Proportional to 43,845.04, 65,751.32 and 15,757.53

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Solution

The fourth proportional to 43,845.04, 65,751.32 and 15,757.53 is: 23,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,845.04 : 65,751.32 = 15,757.53 : x
  2. Step 2: Convert to fraction form
    43,845.04/65,751.32 = 15,757.53/x
  3. Step 3: Cross multiply
    43,845.04x = 65,751.32 × 15,757.53
  4. Step 4: Simplify right side
    43,845.04x = 1,036,078,397.44
  5. Step 5: Solve for x
    x = 1,036,078,397.44/43,845.04
  6. Step 6: Final answer
    x = 23,630.46

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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.