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Finding the Fourth Proportional to 51,194.99, 76,827.09 and 17,915.34

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Solution

The fourth proportional to 51,194.99, 76,827.09 and 17,915.34 is: 26,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.99 : 76,827.09 = 17,915.34 : x
  2. Step 2: Convert to fraction form
    51,194.99/76,827.09 = 17,915.34/x
  3. Step 3: Cross multiply
    51,194.99x = 76,827.09 × 17,915.34
  4. Step 4: Simplify right side
    51,194.99x = 1,376,383,438.56
  5. Step 5: Solve for x
    x = 1,376,383,438.56/51,194.99
  6. Step 6: Final answer
    x = 26,885.12

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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.