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Finding the Fourth Proportional to 64,001.88, 96,020.64 and 19,630.08

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Solution

The fourth proportional to 64,001.88, 96,020.64 and 19,630.08 is: 29,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,001.88 : 96,020.64 = 19,630.08 : x
  2. Step 2: Convert to fraction form
    64,001.88/96,020.64 = 19,630.08/x
  3. Step 3: Cross multiply
    64,001.88x = 96,020.64 × 19,630.08
  4. Step 4: Simplify right side
    64,001.88x = 1,884,892,844.85
  5. Step 5: Solve for x
    x = 1,884,892,844.85/64,001.88
  6. Step 6: Final answer
    x = 29,450.59

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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.