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Finding the Fourth Proportional to 71,370.53, 107,057.54 and 23,986.32

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Solution

The fourth proportional to 71,370.53, 107,057.54 and 23,986.32 is: 35,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370.53 : 107,057.54 = 23,986.32 : x
  2. Step 2: Convert to fraction form
    71,370.53/107,057.54 = 23,986.32/x
  3. Step 3: Cross multiply
    71,370.53x = 107,057.54 × 23,986.32
  4. Step 4: Simplify right side
    71,370.53x = 2,567,916,412.85
  5. Step 5: Solve for x
    x = 2,567,916,412.85/71,370.53
  6. Step 6: Final answer
    x = 35,980.07

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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.