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Finding the Fourth Proportional to 26,768.84, 36,958.32 and 17,213

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Solution

The fourth proportional to 26,768.84, 36,958.32 and 17,213 is: 23,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.84 : 36,958.32 = 17,213 : x
  2. Step 2: Convert to fraction form
    26,768.84/36,958.32 = 17,213/x
  3. Step 3: Cross multiply
    26,768.84x = 36,958.32 × 17,213
  4. Step 4: Simplify right side
    26,768.84x = 636,163,562.16
  5. Step 5: Solve for x
    x = 636,163,562.16/26,768.84
  6. Step 6: Final answer
    x = 23,765.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.