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Finding the Fourth Proportional to 34,551.84, 51,879.60 and 19,777.44

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Solution

The fourth proportional to 34,551.84, 51,879.60 and 19,777.44 is: 29,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,551.84 : 51,879.60 = 19,777.44 : x
  2. Step 2: Convert to fraction form
    34,551.84/51,879.60 = 19,777.44/x
  3. Step 3: Cross multiply
    34,551.84x = 51,879.60 × 19,777.44
  4. Step 4: Simplify right side
    34,551.84x = 1,026,045,676.22
  5. Step 5: Solve for x
    x = 1,026,045,676.22/34,551.84
  6. Step 6: Final answer
    x = 29,695.83

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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.