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Finding the Fourth Proportional to 16,556.78, 24,796.90 and 9,968.44

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Solution

The fourth proportional to 16,556.78, 24,796.90 and 9,968.44 is: 14,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,556.78 : 24,796.90 = 9,968.44 : x
  2. Step 2: Convert to fraction form
    16,556.78/24,796.90 = 9,968.44/x
  3. Step 3: Cross multiply
    16,556.78x = 24,796.90 × 9,968.44
  4. Step 4: Simplify right side
    16,556.78x = 247,186,409.84
  5. Step 5: Solve for x
    x = 247,186,409.84/16,556.78
  6. Step 6: Final answer
    x = 14,929.62

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1.5x scale

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.