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Finding the Fourth Proportional to 33,292.40, 49,873.80 and 20,105.60

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Solution

The fourth proportional to 33,292.40, 49,873.80 and 20,105.60 is: 30,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,292.40 : 49,873.80 = 20,105.60 : x
  2. Step 2: Convert to fraction form
    33,292.40/49,873.80 = 20,105.60/x
  3. Step 3: Cross multiply
    33,292.40x = 49,873.80 × 20,105.60
  4. Step 4: Simplify right side
    33,292.40x = 1,002,742,673.28
  5. Step 5: Solve for x
    x = 1,002,742,673.28/33,292.40
  6. Step 6: Final answer
    x = 30,119.27

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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.