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Finding the Fourth Proportional to 36,575.40, 50,477.16 and 20,662.77

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Solution

The fourth proportional to 36,575.40, 50,477.16 and 20,662.77 is: 28,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,575.40 : 50,477.16 = 20,662.77 : x
  2. Step 2: Convert to fraction form
    36,575.40/50,477.16 = 20,662.77/x
  3. Step 3: Cross multiply
    36,575.40x = 50,477.16 × 20,662.77
  4. Step 4: Simplify right side
    36,575.40x = 1,042,997,947.33
  5. Step 5: Solve for x
    x = 1,042,997,947.33/36,575.40
  6. Step 6: Final answer
    x = 28,516.38

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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.