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Finding the Fourth Proportional to 40,536.96, 60,805.08 and 17,160

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Solution

The fourth proportional to 40,536.96, 60,805.08 and 17,160 is: 25,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,536.96 : 60,805.08 = 17,160 : x
  2. Step 2: Convert to fraction form
    40,536.96/60,805.08 = 17,160/x
  3. Step 3: Cross multiply
    40,536.96x = 60,805.08 × 17,160
  4. Step 4: Simplify right side
    40,536.96x = 1,043,415,172.80
  5. Step 5: Solve for x
    x = 1,043,415,172.80/40,536.96
  6. Step 6: Final answer
    x = 25,739.85

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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.