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Finding the Fourth Proportional to 64,494.73, 96,491.79 and 56,537.38

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Solution

The fourth proportional to 64,494.73, 96,491.79 and 56,537.38 is: 84,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,494.73 : 96,491.79 = 56,537.38 : x
  2. Step 2: Convert to fraction form
    64,494.73/96,491.79 = 56,537.38/x
  3. Step 3: Cross multiply
    64,494.73x = 96,491.79 × 56,537.38
  4. Step 4: Simplify right side
    64,494.73x = 5,455,392,998.11
  5. Step 5: Solve for x
    x = 5,455,392,998.11/64,494.73
  6. Step 6: Final answer
    x = 84,586.65

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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.