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Finding the Fourth Proportional to 65,031.29, 89,741.29 and 36,351.00

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Solution

The fourth proportional to 65,031.29, 89,741.29 and 36,351.00 is: 50,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,031.29 : 89,741.29 = 36,351.00 : x
  2. Step 2: Convert to fraction form
    65,031.29/89,741.29 = 36,351.00/x
  3. Step 3: Cross multiply
    65,031.29x = 89,741.29 × 36,351.00
  4. Step 4: Simplify right side
    65,031.29x = 3,262,185,964.71
  5. Step 5: Solve for x
    x = 3,262,185,964.71/65,031.29
  6. Step 6: Final answer
    x = 50,163.33

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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.