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Finding the Fourth Proportional to 64,269.65, 96,408.57 and 19,892.67

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Solution

The fourth proportional to 64,269.65, 96,408.57 and 19,892.67 is: 29,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,269.65 : 96,408.57 = 19,892.67 : x
  2. Step 2: Convert to fraction form
    64,269.65/96,408.57 = 19,892.67/x
  3. Step 3: Cross multiply
    64,269.65x = 96,408.57 × 19,892.67
  4. Step 4: Simplify right side
    64,269.65x = 1,917,823,868.18
  5. Step 5: Solve for x
    x = 1,917,823,868.18/64,269.65
  6. Step 6: Final answer
    x = 29,840.27

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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.