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Finding the Fourth Proportional to 29,044.80, 43,575.30 and 14,254.20

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Solution

The fourth proportional to 29,044.80, 43,575.30 and 14,254.20 is: 21,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,044.80 : 43,575.30 = 14,254.20 : x
  2. Step 2: Convert to fraction form
    29,044.80/43,575.30 = 14,254.20/x
  3. Step 3: Cross multiply
    29,044.80x = 43,575.30 × 14,254.20
  4. Step 4: Simplify right side
    29,044.80x = 621,131,041.26
  5. Step 5: Solve for x
    x = 621,131,041.26/29,044.80
  6. Step 6: Final answer
    x = 21,385.28

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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.