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Finding the Fourth Proportional to 14,714.80, 22,059.40 and 8,865.20

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Solution

The fourth proportional to 14,714.80, 22,059.40 and 8,865.20 is: 13,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.80 : 22,059.40 = 8,865.20 : x
  2. Step 2: Convert to fraction form
    14,714.80/22,059.40 = 8,865.20/x
  3. Step 3: Cross multiply
    14,714.80x = 22,059.40 × 8,865.20
  4. Step 4: Simplify right side
    14,714.80x = 195,560,992.88
  5. Step 5: Solve for x
    x = 195,560,992.88/14,714.80
  6. Step 6: Final answer
    x = 13,290.09

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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.