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Finding the Fourth Proportional to 64,636.77, 96,952.34 and 20,262.51

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Solution

The fourth proportional to 64,636.77, 96,952.34 and 20,262.51 is: 30,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,636.77 : 96,952.34 = 20,262.51 : x
  2. Step 2: Convert to fraction form
    64,636.77/96,952.34 = 20,262.51/x
  3. Step 3: Cross multiply
    64,636.77x = 96,952.34 × 20,262.51
  4. Step 4: Simplify right side
    64,636.77x = 1,964,497,657.46
  5. Step 5: Solve for x
    x = 1,964,497,657.46/64,636.77
  6. Step 6: Final answer
    x = 30,392.88

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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.