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Finding the Fourth Proportional to 63,620.52, 95,424.30 and 16,878.12

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Solution

The fourth proportional to 63,620.52, 95,424.30 and 16,878.12 is: 25,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.52 : 95,424.30 = 16,878.12 : x
  2. Step 2: Convert to fraction form
    63,620.52/95,424.30 = 16,878.12/x
  3. Step 3: Cross multiply
    63,620.52x = 95,424.30 × 16,878.12
  4. Step 4: Simplify right side
    63,620.52x = 1,610,582,786.32
  5. Step 5: Solve for x
    x = 1,610,582,786.32/63,620.52
  6. Step 6: Final answer
    x = 25,315.46

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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.