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Finding the Fourth Proportional to 43,765.67, 65,656.69 and 17,470.64

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Solution

The fourth proportional to 43,765.67, 65,656.69 and 17,470.64 is: 26,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,765.67 : 65,656.69 = 17,470.64 : x
  2. Step 2: Convert to fraction form
    43,765.67/65,656.69 = 17,470.64/x
  3. Step 3: Cross multiply
    43,765.67x = 65,656.69 × 17,470.64
  4. Step 4: Simplify right side
    43,765.67x = 1,147,064,515.05
  5. Step 5: Solve for x
    x = 1,147,064,515.05/43,765.67
  6. Step 6: Final answer
    x = 26,209.23

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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.