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Finding the Fourth Proportional to 34,747.70, 52,123.91 and 17,212.82

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Solution

The fourth proportional to 34,747.70, 52,123.91 and 17,212.82 is: 25,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.70 : 52,123.91 = 17,212.82 : x
  2. Step 2: Convert to fraction form
    34,747.70/52,123.91 = 17,212.82/x
  3. Step 3: Cross multiply
    34,747.70x = 52,123.91 × 17,212.82
  4. Step 4: Simplify right side
    34,747.70x = 897,199,133.84
  5. Step 5: Solve for x
    x = 897,199,133.84/34,747.70
  6. Step 6: Final answer
    x = 25,820.39

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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.