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Finding the Fourth Proportional to 18,606.62, 25,677.03 and 10,222.94

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Solution

The fourth proportional to 18,606.62, 25,677.03 and 10,222.94 is: 14,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.62 : 25,677.03 = 10,222.94 : x
  2. Step 2: Convert to fraction form
    18,606.62/25,677.03 = 10,222.94/x
  3. Step 3: Cross multiply
    18,606.62x = 25,677.03 × 10,222.94
  4. Step 4: Simplify right side
    18,606.62x = 262,494,737.07
  5. Step 5: Solve for x
    x = 262,494,737.07/18,606.62
  6. Step 6: Final answer
    x = 14,107.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.