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Finding the Fourth Proportional to 29,098.79, 43,647.31 and 8,040.09

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Solution

The fourth proportional to 29,098.79, 43,647.31 and 8,040.09 is: 12,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,098.79 : 43,647.31 = 8,040.09 : x
  2. Step 2: Convert to fraction form
    29,098.79/43,647.31 = 8,040.09/x
  3. Step 3: Cross multiply
    29,098.79x = 43,647.31 × 8,040.09
  4. Step 4: Simplify right side
    29,098.79x = 350,928,300.66
  5. Step 5: Solve for x
    x = 350,928,300.66/29,098.79
  6. Step 6: Final answer
    x = 12,059.89

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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.