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Finding the Fourth Proportional to 62,492.72, 86,241.44 and 35,637.80

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Solution

The fourth proportional to 62,492.72, 86,241.44 and 35,637.80 is: 49,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,492.72 : 86,241.44 = 35,637.80 : x
  2. Step 2: Convert to fraction form
    62,492.72/86,241.44 = 35,637.80/x
  3. Step 3: Cross multiply
    62,492.72x = 86,241.44 × 35,637.80
  4. Step 4: Simplify right side
    62,492.72x = 3,073,455,190.43
  5. Step 5: Solve for x
    x = 3,073,455,190.43/62,492.72
  6. Step 6: Final answer
    x = 49,181.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.