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Finding the Fourth Proportional to 29,003.80, 43,522.10 and 12,362.08

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Solution

The fourth proportional to 29,003.80, 43,522.10 and 12,362.08 is: 18,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,003.80 : 43,522.10 = 12,362.08 : x
  2. Step 2: Convert to fraction form
    29,003.80/43,522.10 = 12,362.08/x
  3. Step 3: Cross multiply
    29,003.80x = 43,522.10 × 12,362.08
  4. Step 4: Simplify right side
    29,003.80x = 538,023,681.97
  5. Step 5: Solve for x
    x = 538,023,681.97/29,003.80
  6. Step 6: Final answer
    x = 18,550.11

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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.