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Finding the Fourth Proportional to 18,606.71, 25,677.29 and 10,108.87

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Solution

The fourth proportional to 18,606.71, 25,677.29 and 10,108.87 is: 13,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.71 : 25,677.29 = 10,108.87 : x
  2. Step 2: Convert to fraction form
    18,606.71/25,677.29 = 10,108.87/x
  3. Step 3: Cross multiply
    18,606.71x = 25,677.29 × 10,108.87
  4. Step 4: Simplify right side
    18,606.71x = 259,568,386.56
  5. Step 5: Solve for x
    x = 259,568,386.56/18,606.71
  6. Step 6: Final answer
    x = 13,950.26

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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.