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Finding the Fourth Proportional to 30,004.94, 44,912.91 and 20,589.91

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Solution

The fourth proportional to 30,004.94, 44,912.91 and 20,589.91 is: 30,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.94 : 44,912.91 = 20,589.91 : x
  2. Step 2: Convert to fraction form
    30,004.94/44,912.91 = 20,589.91/x
  3. Step 3: Cross multiply
    30,004.94x = 44,912.91 × 20,589.91
  4. Step 4: Simplify right side
    30,004.94x = 924,752,774.74
  5. Step 5: Solve for x
    x = 924,752,774.74/30,004.94
  6. Step 6: Final answer
    x = 30,820.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.