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Finding the Fourth Proportional to 55,303.59, 82,958.49 and 15,859.68

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Solution

The fourth proportional to 55,303.59, 82,958.49 and 15,859.68 is: 23,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.59 : 82,958.49 = 15,859.68 : x
  2. Step 2: Convert to fraction form
    55,303.59/82,958.49 = 15,859.68/x
  3. Step 3: Cross multiply
    55,303.59x = 82,958.49 × 15,859.68
  4. Step 4: Simplify right side
    55,303.59x = 1,315,695,104.68
  5. Step 5: Solve for x
    x = 1,315,695,104.68/55,303.59
  6. Step 6: Final answer
    x = 23,790.41

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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.