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Finding the Fourth Proportional to 36,239, 50,004.88 and 20,322.48

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Solution

The fourth proportional to 36,239, 50,004.88 and 20,322.48 is: 28,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239 : 50,004.88 = 20,322.48 : x
  2. Step 2: Convert to fraction form
    36,239/50,004.88 = 20,322.48/x
  3. Step 3: Cross multiply
    36,239x = 50,004.88 × 20,322.48
  4. Step 4: Simplify right side
    36,239x = 1,016,223,173.70
  5. Step 5: Solve for x
    x = 1,016,223,173.70/36,239
  6. Step 6: Final answer
    x = 28,042.25

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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.