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Finding the Fourth Proportional to 22,560.82, 33,841.21 and 6,978.45

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Solution

The fourth proportional to 22,560.82, 33,841.21 and 6,978.45 is: 10,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.82 : 33,841.21 = 6,978.45 : x
  2. Step 2: Convert to fraction form
    22,560.82/33,841.21 = 6,978.45/x
  3. Step 3: Cross multiply
    22,560.82x = 33,841.21 × 6,978.45
  4. Step 4: Simplify right side
    22,560.82x = 236,159,191.92
  5. Step 5: Solve for x
    x = 236,159,191.92/22,560.82
  6. Step 6: Final answer
    x = 10,467.67

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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.