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Finding the Fourth Proportional to 29,872.50, 44,808.84 and 8,812.80

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Solution

The fourth proportional to 29,872.50, 44,808.84 and 8,812.80 is: 13,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,872.50 : 44,808.84 = 8,812.80 : x
  2. Step 2: Convert to fraction form
    29,872.50/44,808.84 = 8,812.80/x
  3. Step 3: Cross multiply
    29,872.50x = 44,808.84 × 8,812.80
  4. Step 4: Simplify right side
    29,872.50x = 394,891,345.15
  5. Step 5: Solve for x
    x = 394,891,345.15/29,872.50
  6. Step 6: Final answer
    x = 13,219.23

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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.