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Finding the Fourth Proportional to 36,475.50, 50,334.90 and 20,559

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Solution

The fourth proportional to 36,475.50, 50,334.90 and 20,559 is: 28,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,475.50 : 50,334.90 = 20,559 : x
  2. Step 2: Convert to fraction form
    36,475.50/50,334.90 = 20,559/x
  3. Step 3: Cross multiply
    36,475.50x = 50,334.90 × 20,559
  4. Step 4: Simplify right side
    36,475.50x = 1,034,835,209.10
  5. Step 5: Solve for x
    x = 1,034,835,209.10/36,475.50
  6. Step 6: Final answer
    x = 28,370.69

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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.