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Finding the Fourth Proportional to 62,697.43, 86,522.43 and 35,840.51

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Solution

The fourth proportional to 62,697.43, 86,522.43 and 35,840.51 is: 49,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,697.43 : 86,522.43 = 35,840.51 : x
  2. Step 2: Convert to fraction form
    62,697.43/86,522.43 = 35,840.51/x
  3. Step 3: Cross multiply
    62,697.43x = 86,522.43 × 35,840.51
  4. Step 4: Simplify right side
    62,697.43x = 3,101,008,017.64
  5. Step 5: Solve for x
    x = 3,101,008,017.64/62,697.43
  6. Step 6: Final answer
    x = 49,459.89

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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.