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Finding the Fourth Proportional to 63,371.88, 95,070.24 and 18,995.28

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Solution

The fourth proportional to 63,371.88, 95,070.24 and 18,995.28 is: 28,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,371.88 : 95,070.24 = 18,995.28 : x
  2. Step 2: Convert to fraction form
    63,371.88/95,070.24 = 18,995.28/x
  3. Step 3: Cross multiply
    63,371.88x = 95,070.24 × 18,995.28
  4. Step 4: Simplify right side
    63,371.88x = 1,805,885,828.47
  5. Step 5: Solve for x
    x = 1,805,885,828.47/63,371.88
  6. Step 6: Final answer
    x = 28,496.64

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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.