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Finding the Fourth Proportional to 62,864.63, 86,750.54 and 35,642.54

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Solution

The fourth proportional to 62,864.63, 86,750.54 and 35,642.54 is: 49,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,864.63 : 86,750.54 = 35,642.54 : x
  2. Step 2: Convert to fraction form
    62,864.63/86,750.54 = 35,642.54/x
  3. Step 3: Cross multiply
    62,864.63x = 86,750.54 × 35,642.54
  4. Step 4: Simplify right side
    62,864.63x = 3,092,009,949.53
  5. Step 5: Solve for x
    x = 3,092,009,949.53/62,864.63
  6. Step 6: Final answer
    x = 49,185.21

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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.