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Finding the Fourth Proportional to 60,649.61, 90,961.89 and 16,265.81

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Solution

The fourth proportional to 60,649.61, 90,961.89 and 16,265.81 is: 24,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,649.61 : 90,961.89 = 16,265.81 : x
  2. Step 2: Convert to fraction form
    60,649.61/90,961.89 = 16,265.81/x
  3. Step 3: Cross multiply
    60,649.61x = 90,961.89 × 16,265.81
  4. Step 4: Simplify right side
    60,649.61x = 1,479,568,986.39
  5. Step 5: Solve for x
    x = 1,479,568,986.39/60,649.61
  6. Step 6: Final answer
    x = 24,395.36

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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.