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Finding the Fourth Proportional to 64,604.76, 96,906.96 and 17,857.56

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Solution

The fourth proportional to 64,604.76, 96,906.96 and 17,857.56 is: 26,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604.76 : 96,906.96 = 17,857.56 : x
  2. Step 2: Convert to fraction form
    64,604.76/96,906.96 = 17,857.56/x
  3. Step 3: Cross multiply
    64,604.76x = 96,906.96 × 17,857.56
  4. Step 4: Simplify right side
    64,604.76x = 1,730,521,852.62
  5. Step 5: Solve for x
    x = 1,730,521,852.62/64,604.76
  6. Step 6: Final answer
    x = 26,786.29

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1.5x scale

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.