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Finding the Fourth Proportional to 16,972.30, 23,416.47 and 9,801.30

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Solution

The fourth proportional to 16,972.30, 23,416.47 and 9,801.30 is: 13,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.30 : 23,416.47 = 9,801.30 : x
  2. Step 2: Convert to fraction form
    16,972.30/23,416.47 = 9,801.30/x
  3. Step 3: Cross multiply
    16,972.30x = 23,416.47 × 9,801.30
  4. Step 4: Simplify right side
    16,972.30x = 229,511,847.41
  5. Step 5: Solve for x
    x = 229,511,847.41/16,972.30
  6. Step 6: Final answer
    x = 13,522.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.