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Finding the Fourth Proportional to 17,609.40, 26,418.06 and 6,516.10

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Solution

The fourth proportional to 17,609.40, 26,418.06 and 6,516.10 is: 9,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.40 : 26,418.06 = 6,516.10 : x
  2. Step 2: Convert to fraction form
    17,609.40/26,418.06 = 6,516.10/x
  3. Step 3: Cross multiply
    17,609.40x = 26,418.06 × 6,516.10
  4. Step 4: Simplify right side
    17,609.40x = 172,142,720.77
  5. Step 5: Solve for x
    x = 172,142,720.77/17,609.40
  6. Step 6: Final answer
    x = 9,775.62

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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.