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Finding the Fourth Proportional to 45,212.63, 67,822.63 and 22,711.73

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Solution

The fourth proportional to 45,212.63, 67,822.63 and 22,711.73 is: 34,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212.63 : 67,822.63 = 22,711.73 : x
  2. Step 2: Convert to fraction form
    45,212.63/67,822.63 = 22,711.73/x
  3. Step 3: Cross multiply
    45,212.63x = 67,822.63 × 22,711.73
  4. Step 4: Simplify right side
    45,212.63x = 1,540,369,260.45
  5. Step 5: Solve for x
    x = 1,540,369,260.45/45,212.63
  6. Step 6: Final answer
    x = 34,069.45

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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.