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Finding the Fourth Proportional to 51,305.70, 76,894.31 and 27,554.88

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Solution

The fourth proportional to 51,305.70, 76,894.31 and 27,554.88 is: 41,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.70 : 76,894.31 = 27,554.88 : x
  2. Step 2: Convert to fraction form
    51,305.70/76,894.31 = 27,554.88/x
  3. Step 3: Cross multiply
    51,305.70x = 76,894.31 × 27,554.88
  4. Step 4: Simplify right side
    51,305.70x = 2,118,813,346.96
  5. Step 5: Solve for x
    x = 2,118,813,346.96/51,305.70
  6. Step 6: Final answer
    x = 41,297.82

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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.