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Finding the Fourth Proportional to 63,973.54, 95,957.54 and 21,857.38

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Solution

The fourth proportional to 63,973.54, 95,957.54 and 21,857.38 is: 32,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,973.54 : 95,957.54 = 21,857.38 : x
  2. Step 2: Convert to fraction form
    63,973.54/95,957.54 = 21,857.38/x
  3. Step 3: Cross multiply
    63,973.54x = 95,957.54 × 21,857.38
  4. Step 4: Simplify right side
    63,973.54x = 2,097,380,415.65
  5. Step 5: Solve for x
    x = 2,097,380,415.65/63,973.54
  6. Step 6: Final answer
    x = 32,785.12

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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.