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Finding the Fourth Proportional to 17,146.27, 25,719.22 and 13,011.67

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Solution

The fourth proportional to 17,146.27, 25,719.22 and 13,011.67 is: 19,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146.27 : 25,719.22 = 13,011.67 : x
  2. Step 2: Convert to fraction form
    17,146.27/25,719.22 = 13,011.67/x
  3. Step 3: Cross multiply
    17,146.27x = 25,719.22 × 13,011.67
  4. Step 4: Simplify right side
    17,146.27x = 334,650,003.30
  5. Step 5: Solve for x
    x = 334,650,003.30/17,146.27
  6. Step 6: Final answer
    x = 19,517.36

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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.