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Finding the Fourth Proportional to 14,605.91, 21,900.09 and 6,698.52

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Solution

The fourth proportional to 14,605.91, 21,900.09 and 6,698.52 is: 10,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.91 : 21,900.09 = 6,698.52 : x
  2. Step 2: Convert to fraction form
    14,605.91/21,900.09 = 6,698.52/x
  3. Step 3: Cross multiply
    14,605.91x = 21,900.09 × 6,698.52
  4. Step 4: Simplify right side
    14,605.91x = 146,698,081.37
  5. Step 5: Solve for x
    x = 146,698,081.37/14,605.91
  6. Step 6: Final answer
    x = 10,043.75

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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.