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Finding the Fourth Proportional to 14,982.68, 20,676.08 and 8,268.30

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Solution

The fourth proportional to 14,982.68, 20,676.08 and 8,268.30 is: 11,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.68 : 20,676.08 = 8,268.30 : x
  2. Step 2: Convert to fraction form
    14,982.68/20,676.08 = 8,268.30/x
  3. Step 3: Cross multiply
    14,982.68x = 20,676.08 × 8,268.30
  4. Step 4: Simplify right side
    14,982.68x = 170,956,032.26
  5. Step 5: Solve for x
    x = 170,956,032.26/14,982.68
  6. Step 6: Final answer
    x = 11,410.24

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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.