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Finding the Fourth Proportional to 17,858.72, 24,627.93 and 10,687.41

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Solution

The fourth proportional to 17,858.72, 24,627.93 and 10,687.41 is: 14,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.72 : 24,627.93 = 10,687.41 : x
  2. Step 2: Convert to fraction form
    17,858.72/24,627.93 = 10,687.41/x
  3. Step 3: Cross multiply
    17,858.72x = 24,627.93 × 10,687.41
  4. Step 4: Simplify right side
    17,858.72x = 263,208,785.36
  5. Step 5: Solve for x
    x = 263,208,785.36/17,858.72
  6. Step 6: Final answer
    x = 14,738.39

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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.