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Finding the Fourth Proportional to 63,995.85, 96,005.12 and 21,866.09

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Solution

The fourth proportional to 63,995.85, 96,005.12 and 21,866.09 is: 32,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,995.85 : 96,005.12 = 21,866.09 : x
  2. Step 2: Convert to fraction form
    63,995.85/96,005.12 = 21,866.09/x
  3. Step 3: Cross multiply
    63,995.85x = 96,005.12 × 21,866.09
  4. Step 4: Simplify right side
    63,995.85x = 2,099,256,005.02
  5. Step 5: Solve for x
    x = 2,099,256,005.02/63,995.85
  6. Step 6: Final answer
    x = 32,803.00

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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.