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Finding the Fourth Proportional to 64,381.61, 96,570.59 and 17,634.48

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Solution

The fourth proportional to 64,381.61, 96,570.59 and 17,634.48 is: 26,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.61 : 96,570.59 = 17,634.48 : x
  2. Step 2: Convert to fraction form
    64,381.61/96,570.59 = 17,634.48/x
  3. Step 3: Cross multiply
    64,381.61x = 96,570.59 × 17,634.48
  4. Step 4: Simplify right side
    64,381.61x = 1,702,972,049.77
  5. Step 5: Solve for x
    x = 1,702,972,049.77/64,381.61
  6. Step 6: Final answer
    x = 26,451.22

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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.