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Finding the Fourth Proportional to 22,996.79, 34,495.41 and 12,602.87

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Solution

The fourth proportional to 22,996.79, 34,495.41 and 12,602.87 is: 18,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,996.79 : 34,495.41 = 12,602.87 : x
  2. Step 2: Convert to fraction form
    22,996.79/34,495.41 = 12,602.87/x
  3. Step 3: Cross multiply
    22,996.79x = 34,495.41 × 12,602.87
  4. Step 4: Simplify right side
    22,996.79x = 434,741,167.83
  5. Step 5: Solve for x
    x = 434,741,167.83/22,996.79
  6. Step 6: Final answer
    x = 18,904.43

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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.