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Finding the Fourth Proportional to 16,080.51, 24,128.99 and 7,656.54

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Solution

The fourth proportional to 16,080.51, 24,128.99 and 7,656.54 is: 11,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,080.51 : 24,128.99 = 7,656.54 : x
  2. Step 2: Convert to fraction form
    16,080.51/24,128.99 = 7,656.54/x
  3. Step 3: Cross multiply
    16,080.51x = 24,128.99 × 7,656.54
  4. Step 4: Simplify right side
    16,080.51x = 184,744,577.09
  5. Step 5: Solve for x
    x = 184,744,577.09/16,080.51
  6. Step 6: Final answer
    x = 11,488.73

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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.