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Finding the Fourth Proportional to 67,632.44, 101,461.41 and 20,874.38

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Solution

The fourth proportional to 67,632.44, 101,461.41 and 20,874.38 is: 31,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,632.44 : 101,461.41 = 20,874.38 : x
  2. Step 2: Convert to fraction form
    67,632.44/101,461.41 = 20,874.38/x
  3. Step 3: Cross multiply
    67,632.44x = 101,461.41 × 20,874.38
  4. Step 4: Simplify right side
    67,632.44x = 2,117,943,520.37
  5. Step 5: Solve for x
    x = 2,117,943,520.37/67,632.44
  6. Step 6: Final answer
    x = 31,315.50

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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.