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Finding the Fourth Proportional to 73,041.67, 109,562.51 and 17,637.67

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Solution

The fourth proportional to 73,041.67, 109,562.51 and 17,637.67 is: 26,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,041.67 : 109,562.51 = 17,637.67 : x
  2. Step 2: Convert to fraction form
    73,041.67/109,562.51 = 17,637.67/x
  3. Step 3: Cross multiply
    73,041.67x = 109,562.51 × 17,637.67
  4. Step 4: Simplify right side
    73,041.67x = 1,932,427,395.75
  5. Step 5: Solve for x
    x = 1,932,427,395.75/73,041.67
  6. Step 6: Final answer
    x = 26,456.51

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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.