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Finding the Fourth Proportional to 63,353.94, 95,015.94 and 21,235.56

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Solution

The fourth proportional to 63,353.94, 95,015.94 and 21,235.56 is: 31,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,353.94 : 95,015.94 = 21,235.56 : x
  2. Step 2: Convert to fraction form
    63,353.94/95,015.94 = 21,235.56/x
  3. Step 3: Cross multiply
    63,353.94x = 95,015.94 × 21,235.56
  4. Step 4: Simplify right side
    63,353.94x = 2,017,716,694.83
  5. Step 5: Solve for x
    x = 2,017,716,694.83/63,353.94
  6. Step 6: Final answer
    x = 31,848.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.