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Finding the Fourth Proportional to 64,752.66, 97,134.49 and 18,005.54

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Solution

The fourth proportional to 64,752.66, 97,134.49 and 18,005.54 is: 27,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,752.66 : 97,134.49 = 18,005.54 : x
  2. Step 2: Convert to fraction form
    64,752.66/97,134.49 = 18,005.54/x
  3. Step 3: Cross multiply
    64,752.66x = 97,134.49 × 18,005.54
  4. Step 4: Simplify right side
    64,752.66x = 1,748,958,414.39
  5. Step 5: Solve for x
    x = 1,748,958,414.39/64,752.66
  6. Step 6: Final answer
    x = 27,009.83

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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.