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Finding the Fourth Proportional to 29,059.54, 43,576.34 and 8,278.18

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Solution

The fourth proportional to 29,059.54, 43,576.34 and 8,278.18 is: 12,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.54 : 43,576.34 = 8,278.18 : x
  2. Step 2: Convert to fraction form
    29,059.54/43,576.34 = 8,278.18/x
  3. Step 3: Cross multiply
    29,059.54x = 43,576.34 × 8,278.18
  4. Step 4: Simplify right side
    29,059.54x = 360,732,635.93
  5. Step 5: Solve for x
    x = 360,732,635.93/29,059.54
  6. Step 6: Final answer
    x = 12,413.57

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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.