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Finding the Fourth Proportional to 29,203.93, 43,801.11 and 8,145.40

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Solution

The fourth proportional to 29,203.93, 43,801.11 and 8,145.40 is: 12,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.93 : 43,801.11 = 8,145.40 : x
  2. Step 2: Convert to fraction form
    29,203.93/43,801.11 = 8,145.40/x
  3. Step 3: Cross multiply
    29,203.93x = 43,801.11 × 8,145.40
  4. Step 4: Simplify right side
    29,203.93x = 356,777,561.39
  5. Step 5: Solve for x
    x = 356,777,561.39/29,203.93
  6. Step 6: Final answer
    x = 12,216.77

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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.