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Finding the Fourth Proportional to 62,492.70, 86,241.42 and 35,637.78

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Solution

The fourth proportional to 62,492.70, 86,241.42 and 35,637.78 is: 49,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,492.70 : 86,241.42 = 35,637.78 : x
  2. Step 2: Convert to fraction form
    62,492.70/86,241.42 = 35,637.78/x
  3. Step 3: Cross multiply
    62,492.70x = 86,241.42 × 35,637.78
  4. Step 4: Simplify right side
    62,492.70x = 3,073,452,752.85
  5. Step 5: Solve for x
    x = 3,073,452,752.85/62,492.70
  6. Step 6: Final answer
    x = 49,180.99

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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.