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Finding the Fourth Proportional to 14,676.60, 22,020.30 and 5,912.40

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Solution

The fourth proportional to 14,676.60, 22,020.30 and 5,912.40 is: 8,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.60 : 22,020.30 = 5,912.40 : x
  2. Step 2: Convert to fraction form
    14,676.60/22,020.30 = 5,912.40/x
  3. Step 3: Cross multiply
    14,676.60x = 22,020.30 × 5,912.40
  4. Step 4: Simplify right side
    14,676.60x = 130,192,821.72
  5. Step 5: Solve for x
    x = 130,192,821.72/14,676.60
  6. Step 6: Final answer
    x = 8,870.78

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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.