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Finding the Fourth Proportional to 29,667.96, 44,524.62 and 21,879

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Solution

The fourth proportional to 29,667.96, 44,524.62 and 21,879 is: 32,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.96 : 44,524.62 = 21,879 : x
  2. Step 2: Convert to fraction form
    29,667.96/44,524.62 = 21,879/x
  3. Step 3: Cross multiply
    29,667.96x = 44,524.62 × 21,879
  4. Step 4: Simplify right side
    29,667.96x = 974,154,160.98
  5. Step 5: Solve for x
    x = 974,154,160.98/29,667.96
  6. Step 6: Final answer
    x = 32,835.23

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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.