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Finding the Fourth Proportional to 33,018, 45,564.84 and 18,113.68

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Solution

The fourth proportional to 33,018, 45,564.84 and 18,113.68 is: 24,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018 : 45,564.84 = 18,113.68 : x
  2. Step 2: Convert to fraction form
    33,018/45,564.84 = 18,113.68/x
  3. Step 3: Cross multiply
    33,018x = 45,564.84 × 18,113.68
  4. Step 4: Simplify right side
    33,018x = 825,346,931.01
  5. Step 5: Solve for x
    x = 825,346,931.01/33,018
  6. Step 6: Final answer
    x = 24,996.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.