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Finding the Fourth Proportional to 29,319.90, 43,992.30 and 14,529.10

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Solution

The fourth proportional to 29,319.90, 43,992.30 and 14,529.10 is: 21,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.90 : 43,992.30 = 14,529.10 : x
  2. Step 2: Convert to fraction form
    29,319.90/43,992.30 = 14,529.10/x
  3. Step 3: Cross multiply
    29,319.90x = 43,992.30 × 14,529.10
  4. Step 4: Simplify right side
    29,319.90x = 639,168,525.93
  5. Step 5: Solve for x
    x = 639,168,525.93/29,319.90
  6. Step 6: Final answer
    x = 21,799.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.