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Finding the Fourth Proportional to 18,757.17, 25,884.06 and 10,797.71

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Solution

The fourth proportional to 18,757.17, 25,884.06 and 10,797.71 is: 14,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.17 : 25,884.06 = 10,797.71 : x
  2. Step 2: Convert to fraction form
    18,757.17/25,884.06 = 10,797.71/x
  3. Step 3: Cross multiply
    18,757.17x = 25,884.06 × 10,797.71
  4. Step 4: Simplify right side
    18,757.17x = 279,488,403.59
  5. Step 5: Solve for x
    x = 279,488,403.59/18,757.17
  6. Step 6: Final answer
    x = 14,900.35

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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.