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Finding the Fourth Proportional to 28,749.44, 43,123.80 and 10,029.44

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Solution

The fourth proportional to 28,749.44, 43,123.80 and 10,029.44 is: 15,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.44 : 43,123.80 = 10,029.44 : x
  2. Step 2: Convert to fraction form
    28,749.44/43,123.80 = 10,029.44/x
  3. Step 3: Cross multiply
    28,749.44x = 43,123.80 × 10,029.44
  4. Step 4: Simplify right side
    28,749.44x = 432,507,564.67
  5. Step 5: Solve for x
    x = 432,507,564.67/28,749.44
  6. Step 6: Final answer
    x = 15,044.03

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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.