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Finding the Fourth Proportional to 44,814, 67,233.18 and 13,649.28

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Solution

The fourth proportional to 44,814, 67,233.18 and 13,649.28 is: 20,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,814 : 67,233.18 = 13,649.28 : x
  2. Step 2: Convert to fraction form
    44,814/67,233.18 = 13,649.28/x
  3. Step 3: Cross multiply
    44,814x = 67,233.18 × 13,649.28
  4. Step 4: Simplify right side
    44,814x = 917,684,499.11
  5. Step 5: Solve for x
    x = 917,684,499.11/44,814
  6. Step 6: Final answer
    x = 20,477.63

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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.