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Finding the Fourth Proportional to 63,415.56, 95,127.44 and 21,293.94

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Solution

The fourth proportional to 63,415.56, 95,127.44 and 21,293.94 is: 31,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.56 : 95,127.44 = 21,293.94 : x
  2. Step 2: Convert to fraction form
    63,415.56/95,127.44 = 21,293.94/x
  3. Step 3: Cross multiply
    63,415.56x = 95,127.44 × 21,293.94
  4. Step 4: Simplify right side
    63,415.56x = 2,025,637,999.71
  5. Step 5: Solve for x
    x = 2,025,637,999.71/63,415.56
  6. Step 6: Final answer
    x = 31,942.29

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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.