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Finding the Fourth Proportional to 36,506.25, 50,378.11 and 20,595.82

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Solution

The fourth proportional to 36,506.25, 50,378.11 and 20,595.82 is: 28,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,506.25 : 50,378.11 = 20,595.82 : x
  2. Step 2: Convert to fraction form
    36,506.25/50,378.11 = 20,595.82/x
  3. Step 3: Cross multiply
    36,506.25x = 50,378.11 × 20,595.82
  4. Step 4: Simplify right side
    36,506.25x = 1,037,578,485.50
  5. Step 5: Solve for x
    x = 1,037,578,485.50/36,506.25
  6. Step 6: Final answer
    x = 28,421.94

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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.