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Finding the Fourth Proportional to 22,463.37, 33,695.87 and 8,421.98

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Solution

The fourth proportional to 22,463.37, 33,695.87 and 8,421.98 is: 12,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.37 : 33,695.87 = 8,421.98 : x
  2. Step 2: Convert to fraction form
    22,463.37/33,695.87 = 8,421.98/x
  3. Step 3: Cross multiply
    22,463.37x = 33,695.87 × 8,421.98
  4. Step 4: Simplify right side
    22,463.37x = 283,785,732.63
  5. Step 5: Solve for x
    x = 283,785,732.63/22,463.37
  6. Step 6: Final answer
    x = 12,633.27

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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.