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Finding the Fourth Proportional to 36,779.25, 50,756.18 and 20,012.25

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Solution

The fourth proportional to 36,779.25, 50,756.18 and 20,012.25 is: 27,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.25 : 50,756.18 = 20,012.25 : x
  2. Step 2: Convert to fraction form
    36,779.25/50,756.18 = 20,012.25/x
  3. Step 3: Cross multiply
    36,779.25x = 50,756.18 × 20,012.25
  4. Step 4: Simplify right side
    36,779.25x = 1,015,745,263.14
  5. Step 5: Solve for x
    x = 1,015,745,263.14/36,779.25
  6. Step 6: Final answer
    x = 27,617.35

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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.