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Finding the Fourth Proportional to 57,667.65, 86,624.39 and 54,296.94

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Solution

The fourth proportional to 57,667.65, 86,624.39 and 54,296.94 is: 81,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,667.65 : 86,624.39 = 54,296.94 : x
  2. Step 2: Convert to fraction form
    57,667.65/86,624.39 = 54,296.94/x
  3. Step 3: Cross multiply
    57,667.65x = 86,624.39 × 54,296.94
  4. Step 4: Simplify right side
    57,667.65x = 4,703,439,034.88
  5. Step 5: Solve for x
    x = 4,703,439,034.88/57,667.65
  6. Step 6: Final answer
    x = 81,561.14

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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.