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Finding the Fourth Proportional to 17,510.96, 26,246.96 and 11,518.72

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Solution

The fourth proportional to 17,510.96, 26,246.96 and 11,518.72 is: 17,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,510.96 : 26,246.96 = 11,518.72 : x
  2. Step 2: Convert to fraction form
    17,510.96/26,246.96 = 11,518.72/x
  3. Step 3: Cross multiply
    17,510.96x = 26,246.96 × 11,518.72
  4. Step 4: Simplify right side
    17,510.96x = 302,331,383.09
  5. Step 5: Solve for x
    x = 302,331,383.09/17,510.96
  6. Step 6: Final answer
    x = 17,265.27

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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.