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Finding the Fourth Proportional to 20,041.39, 30,042.06 and 9,492.67

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Solution

The fourth proportional to 20,041.39, 30,042.06 and 9,492.67 is: 14,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.39 : 30,042.06 = 9,492.67 : x
  2. Step 2: Convert to fraction form
    20,041.39/30,042.06 = 9,492.67/x
  3. Step 3: Cross multiply
    20,041.39x = 30,042.06 × 9,492.67
  4. Step 4: Simplify right side
    20,041.39x = 285,179,361.70
  5. Step 5: Solve for x
    x = 285,179,361.70/20,041.39
  6. Step 6: Final answer
    x = 14,229.52

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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.