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Finding the Fourth Proportional to 51,887.88, 77,758.80 and 29,667.96

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Solution

The fourth proportional to 51,887.88, 77,758.80 and 29,667.96 is: 44,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,887.88 : 77,758.80 = 29,667.96 : x
  2. Step 2: Convert to fraction form
    51,887.88/77,758.80 = 29,667.96/x
  3. Step 3: Cross multiply
    51,887.88x = 77,758.80 × 29,667.96
  4. Step 4: Simplify right side
    51,887.88x = 2,306,944,968.05
  5. Step 5: Solve for x
    x = 2,306,944,968.05/51,887.88
  6. Step 6: Final answer
    x = 44,460.19

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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.