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Finding the Fourth Proportional to 14,530.62, 20,054.07 and 8,245.02

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Solution

The fourth proportional to 14,530.62, 20,054.07 and 8,245.02 is: 11,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.62 : 20,054.07 = 8,245.02 : x
  2. Step 2: Convert to fraction form
    14,530.62/20,054.07 = 8,245.02/x
  3. Step 3: Cross multiply
    14,530.62x = 20,054.07 × 8,245.02
  4. Step 4: Simplify right side
    14,530.62x = 165,346,208.23
  5. Step 5: Solve for x
    x = 165,346,208.23/14,530.62
  6. Step 6: Final answer
    x = 11,379.16

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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.