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Finding the Fourth Proportional to 65,694.44, 90,659.01 and 37,401.95

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Solution

The fourth proportional to 65,694.44, 90,659.01 and 37,401.95 is: 51,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,694.44 : 90,659.01 = 37,401.95 : x
  2. Step 2: Convert to fraction form
    65,694.44/90,659.01 = 37,401.95/x
  3. Step 3: Cross multiply
    65,694.44x = 90,659.01 × 37,401.95
  4. Step 4: Simplify right side
    65,694.44x = 3,390,823,305.77
  5. Step 5: Solve for x
    x = 3,390,823,305.77/65,694.44
  6. Step 6: Final answer
    x = 51,615.08

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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.