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Finding the Fourth Proportional to 62,486.53, 86,153.19 and 52,153.11

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Solution

The fourth proportional to 62,486.53, 86,153.19 and 52,153.11 is: 71,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,486.53 : 86,153.19 = 52,153.11 : x
  2. Step 2: Convert to fraction form
    62,486.53/86,153.19 = 52,153.11/x
  3. Step 3: Cross multiply
    62,486.53x = 86,153.19 × 52,153.11
  4. Step 4: Simplify right side
    62,486.53x = 4,493,156,599.35
  5. Step 5: Solve for x
    x = 4,493,156,599.35/62,486.53
  6. Step 6: Final answer
    x = 71,906.01

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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.