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Finding the Fourth Proportional to 17,741.98, 26,612.39 and 7,208.89

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Solution

The fourth proportional to 17,741.98, 26,612.39 and 7,208.89 is: 10,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.98 : 26,612.39 = 7,208.89 : x
  2. Step 2: Convert to fraction form
    17,741.98/26,612.39 = 7,208.89/x
  3. Step 3: Cross multiply
    17,741.98x = 26,612.39 × 7,208.89
  4. Step 4: Simplify right side
    17,741.98x = 191,845,659.09
  5. Step 5: Solve for x
    x = 191,845,659.09/17,741.98
  6. Step 6: Final answer
    x = 10,813.09

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Double scale
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Similar ratio
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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.