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Finding the Fourth Proportional to 17,161.68, 25,742.46 and 11,275.68

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Solution

The fourth proportional to 17,161.68, 25,742.46 and 11,275.68 is: 16,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.68 : 25,742.46 = 11,275.68 : x
  2. Step 2: Convert to fraction form
    17,161.68/25,742.46 = 11,275.68/x
  3. Step 3: Cross multiply
    17,161.68x = 25,742.46 × 11,275.68
  4. Step 4: Simplify right side
    17,161.68x = 290,263,741.37
  5. Step 5: Solve for x
    x = 290,263,741.37/17,161.68
  6. Step 6: Final answer
    x = 16,913.48

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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.