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Finding the Fourth Proportional to 44,312.31, 66,481.02 and 19,354.59

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Solution

The fourth proportional to 44,312.31, 66,481.02 and 19,354.59 is: 29,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,312.31 : 66,481.02 = 19,354.59 : x
  2. Step 2: Convert to fraction form
    44,312.31/66,481.02 = 19,354.59/x
  3. Step 3: Cross multiply
    44,312.31x = 66,481.02 × 19,354.59
  4. Step 4: Simplify right side
    44,312.31x = 1,286,712,884.88
  5. Step 5: Solve for x
    x = 1,286,712,884.88/44,312.31
  6. Step 6: Final answer
    x = 29,037.37

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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.