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Finding the Fourth Proportional to 65,367.86, 98,040.48 and 17,336.80

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Solution

The fourth proportional to 65,367.86, 98,040.48 and 17,336.80 is: 26,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367.86 : 98,040.48 = 17,336.80 : x
  2. Step 2: Convert to fraction form
    65,367.86/98,040.48 = 17,336.80/x
  3. Step 3: Cross multiply
    65,367.86x = 98,040.48 × 17,336.80
  4. Step 4: Simplify right side
    65,367.86x = 1,699,708,193.66
  5. Step 5: Solve for x
    x = 1,699,708,193.66/65,367.86
  6. Step 6: Final answer
    x = 26,002.20

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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.