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Finding the Fourth Proportional to 57,366.88, 85,985.82 and 29,207.89

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Solution

The fourth proportional to 57,366.88, 85,985.82 and 29,207.89 is: 43,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.88 : 85,985.82 = 29,207.89 : x
  2. Step 2: Convert to fraction form
    57,366.88/85,985.82 = 29,207.89/x
  3. Step 3: Cross multiply
    57,366.88x = 85,985.82 × 29,207.89
  4. Step 4: Simplify right side
    57,366.88x = 2,511,464,372.12
  5. Step 5: Solve for x
    x = 2,511,464,372.12/57,366.88
  6. Step 6: Final answer
    x = 43,779.00

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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.