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Finding the Fourth Proportional to 55,001, 75,921.06 and 32,645

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Solution

The fourth proportional to 55,001, 75,921.06 and 32,645 is: 45,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001 : 75,921.06 = 32,645 : x
  2. Step 2: Convert to fraction form
    55,001/75,921.06 = 32,645/x
  3. Step 3: Cross multiply
    55,001x = 75,921.06 × 32,645
  4. Step 4: Simplify right side
    55,001x = 2,478,443,003.70
  5. Step 5: Solve for x
    x = 2,478,443,003.70/55,001
  6. Step 6: Final answer
    x = 45,061.78

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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.