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Finding the Fourth Proportional to 17,609.87, 26,406.11 and 8,714.90

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Solution

The fourth proportional to 17,609.87, 26,406.11 and 8,714.90 is: 13,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.87 : 26,406.11 = 8,714.90 : x
  2. Step 2: Convert to fraction form
    17,609.87/26,406.11 = 8,714.90/x
  3. Step 3: Cross multiply
    17,609.87x = 26,406.11 × 8,714.90
  4. Step 4: Simplify right side
    17,609.87x = 230,126,695.84
  5. Step 5: Solve for x
    x = 230,126,695.84/17,609.87
  6. Step 6: Final answer
    x = 13,068.05

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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.