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Finding the Fourth Proportional to 63,018.57, 86,964.93 and 35,794.47

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Solution

The fourth proportional to 63,018.57, 86,964.93 and 35,794.47 is: 49,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,018.57 : 86,964.93 = 35,794.47 : x
  2. Step 2: Convert to fraction form
    63,018.57/86,964.93 = 35,794.47/x
  3. Step 3: Cross multiply
    63,018.57x = 86,964.93 × 35,794.47
  4. Step 4: Simplify right side
    63,018.57x = 3,112,863,577.94
  5. Step 5: Solve for x
    x = 3,112,863,577.94/63,018.57
  6. Step 6: Final answer
    x = 49,395.97

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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.