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Finding the Fourth Proportional to 34,486.96, 51,714.06 and 15,761.44

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Solution

The fourth proportional to 34,486.96, 51,714.06 and 15,761.44 is: 23,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.96 : 51,714.06 = 15,761.44 : x
  2. Step 2: Convert to fraction form
    34,486.96/51,714.06 = 15,761.44/x
  3. Step 3: Cross multiply
    34,486.96x = 51,714.06 × 15,761.44
  4. Step 4: Simplify right side
    34,486.96x = 815,088,053.85
  5. Step 5: Solve for x
    x = 815,088,053.85/34,486.96
  6. Step 6: Final answer
    x = 23,634.67

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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.