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Finding the Fourth Proportional to 18,604.71, 25,674.96 and 10,106.83

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Solution

The fourth proportional to 18,604.71, 25,674.96 and 10,106.83 is: 13,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.71 : 25,674.96 = 10,106.83 : x
  2. Step 2: Convert to fraction form
    18,604.71/25,674.96 = 10,106.83/x
  3. Step 3: Cross multiply
    18,604.71x = 25,674.96 × 10,106.83
  4. Step 4: Simplify right side
    18,604.71x = 259,492,455.98
  5. Step 5: Solve for x
    x = 259,492,455.98/18,604.71
  6. Step 6: Final answer
    x = 13,947.68

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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.