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Finding the Fourth Proportional to 62,816.81, 86,693.29 and 35,963.15

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Solution

The fourth proportional to 62,816.81, 86,693.29 and 35,963.15 is: 49,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,816.81 : 86,693.29 = 35,963.15 : x
  2. Step 2: Convert to fraction form
    62,816.81/86,693.29 = 35,963.15/x
  3. Step 3: Cross multiply
    62,816.81x = 86,693.29 × 35,963.15
  4. Step 4: Simplify right side
    62,816.81x = 3,117,763,268.89
  5. Step 5: Solve for x
    x = 3,117,763,268.89/62,816.81
  6. Step 6: Final answer
    x = 49,632.63

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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.