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Finding the Fourth Proportional to 17,457.84, 26,181.96 and 11,910.12

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Solution

The fourth proportional to 17,457.84, 26,181.96 and 11,910.12 is: 17,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.84 : 26,181.96 = 11,910.12 : x
  2. Step 2: Convert to fraction form
    17,457.84/26,181.96 = 11,910.12/x
  3. Step 3: Cross multiply
    17,457.84x = 26,181.96 × 11,910.12
  4. Step 4: Simplify right side
    17,457.84x = 311,830,285.44
  5. Step 5: Solve for x
    x = 311,830,285.44/17,457.84
  6. Step 6: Final answer
    x = 17,861.91

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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.