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Finding the Fourth Proportional to 43,223.63, 64,810.53 and 16,914.02

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Solution

The fourth proportional to 43,223.63, 64,810.53 and 16,914.02 is: 25,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,223.63 : 64,810.53 = 16,914.02 : x
  2. Step 2: Convert to fraction form
    43,223.63/64,810.53 = 16,914.02/x
  3. Step 3: Cross multiply
    43,223.63x = 64,810.53 × 16,914.02
  4. Step 4: Simplify right side
    43,223.63x = 1,096,206,276.58
  5. Step 5: Solve for x
    x = 1,096,206,276.58/43,223.63
  6. Step 6: Final answer
    x = 25,361.28

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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.