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Finding the Fourth Proportional to 14,714.92, 20,305.36 and 8,748.04

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Solution

The fourth proportional to 14,714.92, 20,305.36 and 8,748.04 is: 12,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.92 : 20,305.36 = 8,748.04 : x
  2. Step 2: Convert to fraction form
    14,714.92/20,305.36 = 8,748.04/x
  3. Step 3: Cross multiply
    14,714.92x = 20,305.36 × 8,748.04
  4. Step 4: Simplify right side
    14,714.92x = 177,632,101.49
  5. Step 5: Solve for x
    x = 177,632,101.49/14,714.92
  6. Step 6: Final answer
    x = 12,071.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.