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Finding the Fourth Proportional to 64,670.48, 96,825.48 and 33,012.44

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Solution

The fourth proportional to 64,670.48, 96,825.48 and 33,012.44 is: 49,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,670.48 : 96,825.48 = 33,012.44 : x
  2. Step 2: Convert to fraction form
    64,670.48/96,825.48 = 33,012.44/x
  3. Step 3: Cross multiply
    64,670.48x = 96,825.48 × 33,012.44
  4. Step 4: Simplify right side
    64,670.48x = 3,196,445,348.97
  5. Step 5: Solve for x
    x = 3,196,445,348.97/64,670.48
  6. Step 6: Final answer
    x = 49,426.65

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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.