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Finding the Fourth Proportional to 33,043, 45,600.06 and 18,139

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Solution

The fourth proportional to 33,043, 45,600.06 and 18,139 is: 25,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,043 : 45,600.06 = 18,139 : x
  2. Step 2: Convert to fraction form
    33,043/45,600.06 = 18,139/x
  3. Step 3: Cross multiply
    33,043x = 45,600.06 × 18,139
  4. Step 4: Simplify right side
    33,043x = 827,139,488.34
  5. Step 5: Solve for x
    x = 827,139,488.34/33,043
  6. Step 6: Final answer
    x = 25,032.22

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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.