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Finding the Fourth Proportional to 29,104.65, 43,643.16 and 13,305.00

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Solution

The fourth proportional to 29,104.65, 43,643.16 and 13,305.00 is: 19,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,104.65 : 43,643.16 = 13,305.00 : x
  2. Step 2: Convert to fraction form
    29,104.65/43,643.16 = 13,305.00/x
  3. Step 3: Cross multiply
    29,104.65x = 43,643.16 × 13,305.00
  4. Step 4: Simplify right side
    29,104.65x = 580,672,080.14
  5. Step 5: Solve for x
    x = 580,672,080.14/29,104.65
  6. Step 6: Final answer
    x = 19,951.18

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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.