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Finding the Fourth Proportional to 62,819, 86,690.22 and 34,526.51

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Solution

The fourth proportional to 62,819, 86,690.22 and 34,526.51 is: 47,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,819 : 86,690.22 = 34,526.51 : x
  2. Step 2: Convert to fraction form
    62,819/86,690.22 = 34,526.51/x
  3. Step 3: Cross multiply
    62,819x = 86,690.22 × 34,526.51
  4. Step 4: Simplify right side
    62,819x = 2,993,110,747.73
  5. Step 5: Solve for x
    x = 2,993,110,747.73/62,819
  6. Step 6: Final answer
    x = 47,646.58

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