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Finding the Fourth Proportional to 36,804.90, 50,790.77 and 20,037.90

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Solution

The fourth proportional to 36,804.90, 50,790.77 and 20,037.90 is: 27,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,804.90 : 50,790.77 = 20,037.90 : x
  2. Step 2: Convert to fraction form
    36,804.90/50,790.77 = 20,037.90/x
  3. Step 3: Cross multiply
    36,804.90x = 50,790.77 × 20,037.90
  4. Step 4: Simplify right side
    36,804.90x = 1,017,740,345.14
  5. Step 5: Solve for x
    x = 1,017,740,345.14/36,804.90
  6. Step 6: Final answer
    x = 27,652.31

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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.