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Finding the Fourth Proportional to 14,046.99, 21,073.62 and 5,281.98

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Solution

The fourth proportional to 14,046.99, 21,073.62 and 5,281.98 is: 7,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.99 : 21,073.62 = 5,281.98 : x
  2. Step 2: Convert to fraction form
    14,046.99/21,073.62 = 5,281.98/x
  3. Step 3: Cross multiply
    14,046.99x = 21,073.62 × 5,281.98
  4. Step 4: Simplify right side
    14,046.99x = 111,310,439.37
  5. Step 5: Solve for x
    x = 111,310,439.37/14,046.99
  6. Step 6: Final answer
    x = 7,924.15

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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.