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Finding the Fourth Proportional to 67,046, 100,581.94 and 25,489.76

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Solution

The fourth proportional to 67,046, 100,581.94 and 25,489.76 is: 38,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,046 : 100,581.94 = 25,489.76 : x
  2. Step 2: Convert to fraction form
    67,046/100,581.94 = 25,489.76/x
  3. Step 3: Cross multiply
    67,046x = 100,581.94 × 25,489.76
  4. Step 4: Simplify right side
    67,046x = 2,563,809,510.93
  5. Step 5: Solve for x
    x = 2,563,809,510.93/67,046
  6. Step 6: Final answer
    x = 38,239.56

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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.