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Finding the Fourth Proportional to 33,012, 45,556.56 and 18,107.68

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Solution

The fourth proportional to 33,012, 45,556.56 and 18,107.68 is: 24,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012 : 45,556.56 = 18,107.68 : x
  2. Step 2: Convert to fraction form
    33,012/45,556.56 = 18,107.68/x
  3. Step 3: Cross multiply
    33,012x = 45,556.56 × 18,107.68
  4. Step 4: Simplify right side
    33,012x = 824,923,610.38
  5. Step 5: Solve for x
    x = 824,923,610.38/33,012
  6. Step 6: Final answer
    x = 24,988.60

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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.