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Finding the Fourth Proportional to 43,118.49, 64,751.31 and 23,435.49

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Solution

The fourth proportional to 43,118.49, 64,751.31 and 23,435.49 is: 35,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,118.49 : 64,751.31 = 23,435.49 : x
  2. Step 2: Convert to fraction form
    43,118.49/64,751.31 = 23,435.49/x
  3. Step 3: Cross multiply
    43,118.49x = 64,751.31 × 23,435.49
  4. Step 4: Simplify right side
    43,118.49x = 1,517,478,677.99
  5. Step 5: Solve for x
    x = 1,517,478,677.99/43,118.49
  6. Step 6: Final answer
    x = 35,193.22

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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.