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Finding the Fourth Proportional to 9,890.65, 14,835.97 and 4,044.88

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Solution

The fourth proportional to 9,890.65, 14,835.97 and 4,044.88 is: 6,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.65 : 14,835.97 = 4,044.88 : x
  2. Step 2: Convert to fraction form
    9,890.65/14,835.97 = 4,044.88/x
  3. Step 3: Cross multiply
    9,890.65x = 14,835.97 × 4,044.88
  4. Step 4: Simplify right side
    9,890.65x = 60,009,644.15
  5. Step 5: Solve for x
    x = 60,009,644.15/9,890.65
  6. Step 6: Final answer
    x = 6,067.31

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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.