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Finding the Fourth Proportional to 62,669.66, 86,484.26 and 35,812.10

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Solution

The fourth proportional to 62,669.66, 86,484.26 and 35,812.10 is: 49,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,669.66 : 86,484.26 = 35,812.10 : x
  2. Step 2: Convert to fraction form
    62,669.66/86,484.26 = 35,812.10/x
  3. Step 3: Cross multiply
    62,669.66x = 86,484.26 × 35,812.10
  4. Step 4: Simplify right side
    62,669.66x = 3,097,183,273.29
  5. Step 5: Solve for x
    x = 3,097,183,273.29/62,669.66
  6. Step 6: Final answer
    x = 49,420.78

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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.