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Finding the Fourth Proportional to 62,965, 86,889.66 and 34,669.96

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Solution

The fourth proportional to 62,965, 86,889.66 and 34,669.96 is: 47,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,965 : 86,889.66 = 34,669.96 : x
  2. Step 2: Convert to fraction form
    62,965/86,889.66 = 34,669.96/x
  3. Step 3: Cross multiply
    62,965x = 86,889.66 × 34,669.96
  4. Step 4: Simplify right side
    62,965x = 3,012,461,036.61
  5. Step 5: Solve for x
    x = 3,012,461,036.61/62,965
  6. Step 6: Final answer
    x = 47,843.42

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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.