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Finding the Fourth Proportional to 64,391.54, 96,586.29 and 17,644.42

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Solution

The fourth proportional to 64,391.54, 96,586.29 and 17,644.42 is: 26,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.54 : 96,586.29 = 17,644.42 : x
  2. Step 2: Convert to fraction form
    64,391.54/96,586.29 = 17,644.42/x
  3. Step 3: Cross multiply
    64,391.54x = 96,586.29 × 17,644.42
  4. Step 4: Simplify right side
    64,391.54x = 1,704,209,067.00
  5. Step 5: Solve for x
    x = 1,704,209,067.00/64,391.54
  6. Step 6: Final answer
    x = 26,466.35

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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.