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Finding the Fourth Proportional to 17,100.54, 25,614.81 and 8,755.20

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Solution

The fourth proportional to 17,100.54, 25,614.81 and 8,755.20 is: 13,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.54 : 25,614.81 = 8,755.20 : x
  2. Step 2: Convert to fraction form
    17,100.54/25,614.81 = 8,755.20/x
  3. Step 3: Cross multiply
    17,100.54x = 25,614.81 × 8,755.20
  4. Step 4: Simplify right side
    17,100.54x = 224,262,784.51
  5. Step 5: Solve for x
    x = 224,262,784.51/17,100.54
  6. Step 6: Final answer
    x = 13,114.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.