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Finding the Fourth Proportional to 43,484.48, 65,245.29 and 18,536.29

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Solution

The fourth proportional to 43,484.48, 65,245.29 and 18,536.29 is: 27,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,484.48 : 65,245.29 = 18,536.29 : x
  2. Step 2: Convert to fraction form
    43,484.48/65,245.29 = 18,536.29/x
  3. Step 3: Cross multiply
    43,484.48x = 65,245.29 × 18,536.29
  4. Step 4: Simplify right side
    43,484.48x = 1,209,405,616.57
  5. Step 5: Solve for x
    x = 1,209,405,616.57/43,484.48
  6. Step 6: Final answer
    x = 27,812.35

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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.