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Finding the Fourth Proportional to 19,967.00, 29,953.22 and 6,815.84

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Solution

The fourth proportional to 19,967.00, 29,953.22 and 6,815.84 is: 10,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.00 : 29,953.22 = 6,815.84 : x
  2. Step 2: Convert to fraction form
    19,967.00/29,953.22 = 6,815.84/x
  3. Step 3: Cross multiply
    19,967.00x = 29,953.22 × 6,815.84
  4. Step 4: Simplify right side
    19,967.00x = 204,156,171.16
  5. Step 5: Solve for x
    x = 204,156,171.16/19,967.00
  6. Step 6: Final answer
    x = 10,224.68

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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.