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Finding the Fourth Proportional to 63,978.48, 96,011.52 and 22,425.60

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Solution

The fourth proportional to 63,978.48, 96,011.52 and 22,425.60 is: 33,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,978.48 : 96,011.52 = 22,425.60 : x
  2. Step 2: Convert to fraction form
    63,978.48/96,011.52 = 22,425.60/x
  3. Step 3: Cross multiply
    63,978.48x = 96,011.52 × 22,425.60
  4. Step 4: Simplify right side
    63,978.48x = 2,153,115,942.91
  5. Step 5: Solve for x
    x = 2,153,115,942.91/63,978.48
  6. Step 6: Final answer
    x = 33,653.75

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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.