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Finding the Fourth Proportional to 29,438.56, 44,158.35 and 8,379.15

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Solution

The fourth proportional to 29,438.56, 44,158.35 and 8,379.15 is: 12,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,438.56 : 44,158.35 = 8,379.15 : x
  2. Step 2: Convert to fraction form
    29,438.56/44,158.35 = 8,379.15/x
  3. Step 3: Cross multiply
    29,438.56x = 44,158.35 × 8,379.15
  4. Step 4: Simplify right side
    29,438.56x = 370,009,292.45
  5. Step 5: Solve for x
    x = 370,009,292.45/29,438.56
  6. Step 6: Final answer
    x = 12,568.86

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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.