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Finding the Fourth Proportional to 11,573.52, 17,360.31 and 2,808.42

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Solution

The fourth proportional to 11,573.52, 17,360.31 and 2,808.42 is: 4,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.52 : 17,360.31 = 2,808.42 : x
  2. Step 2: Convert to fraction form
    11,573.52/17,360.31 = 2,808.42/x
  3. Step 3: Cross multiply
    11,573.52x = 17,360.31 × 2,808.42
  4. Step 4: Simplify right side
    11,573.52x = 48,755,041.81
  5. Step 5: Solve for x
    x = 48,755,041.81/11,573.52
  6. Step 6: Final answer
    x = 4,212.64

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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.