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Finding the Fourth Proportional to 55,053, 75,979.62 and 32,697

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Solution

The fourth proportional to 55,053, 75,979.62 and 32,697 is: 45,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053 : 75,979.62 = 32,697 : x
  2. Step 2: Convert to fraction form
    55,053/75,979.62 = 32,697/x
  3. Step 3: Cross multiply
    55,053x = 75,979.62 × 32,697
  4. Step 4: Simplify right side
    55,053x = 2,484,305,635.14
  5. Step 5: Solve for x
    x = 2,484,305,635.14/55,053
  6. Step 6: Final answer
    x = 45,125.71

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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.