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Finding the Fourth Proportional to 16,929.44, 23,362.77 and 9,375.89

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Solution

The fourth proportional to 16,929.44, 23,362.77 and 9,375.89 is: 12,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.44 : 23,362.77 = 9,375.89 : x
  2. Step 2: Convert to fraction form
    16,929.44/23,362.77 = 9,375.89/x
  3. Step 3: Cross multiply
    16,929.44x = 23,362.77 × 9,375.89
  4. Step 4: Simplify right side
    16,929.44x = 219,046,644.80
  5. Step 5: Solve for x
    x = 219,046,644.80/16,929.44
  6. Step 6: Final answer
    x = 12,938.80

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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.