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Finding the Fourth Proportional to 64,478.40, 96,706.46 and 17,093.82

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Solution

The fourth proportional to 64,478.40, 96,706.46 and 17,093.82 is: 25,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478.40 : 96,706.46 = 17,093.82 : x
  2. Step 2: Convert to fraction form
    64,478.40/96,706.46 = 17,093.82/x
  3. Step 3: Cross multiply
    64,478.40x = 96,706.46 × 17,093.82
  4. Step 4: Simplify right side
    64,478.40x = 1,653,082,820.08
  5. Step 5: Solve for x
    x = 1,653,082,820.08/64,478.40
  6. Step 6: Final answer
    x = 25,637.78

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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.