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Finding the Fourth Proportional to 34,029.16, 51,043.56 and 8,728.56

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Solution

The fourth proportional to 34,029.16, 51,043.56 and 8,728.56 is: 13,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,029.16 : 51,043.56 = 8,728.56 : x
  2. Step 2: Convert to fraction form
    34,029.16/51,043.56 = 8,728.56/x
  3. Step 3: Cross multiply
    34,029.16x = 51,043.56 × 8,728.56
  4. Step 4: Simplify right side
    34,029.16x = 445,536,776.07
  5. Step 5: Solve for x
    x = 445,536,776.07/34,029.16
  6. Step 6: Final answer
    x = 13,092.79

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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.