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Finding the Fourth Proportional to 36,776.88, 50,750.48 and 20,423.08

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Solution

The fourth proportional to 36,776.88, 50,750.48 and 20,423.08 is: 28,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,776.88 : 50,750.48 = 20,423.08 : x
  2. Step 2: Convert to fraction form
    36,776.88/50,750.48 = 20,423.08/x
  3. Step 3: Cross multiply
    36,776.88x = 50,750.48 × 20,423.08
  4. Step 4: Simplify right side
    36,776.88x = 1,036,481,113.08
  5. Step 5: Solve for x
    x = 1,036,481,113.08/36,776.88
  6. Step 6: Final answer
    x = 28,182.95

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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.