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Finding the Fourth Proportional to 43,219.70, 64,725.02 and 35,769.32

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Solution

The fourth proportional to 43,219.70, 64,725.02 and 35,769.32 is: 53,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219.70 : 64,725.02 = 35,769.32 : x
  2. Step 2: Convert to fraction form
    43,219.70/64,725.02 = 35,769.32/x
  3. Step 3: Cross multiply
    43,219.70x = 64,725.02 × 35,769.32
  4. Step 4: Simplify right side
    43,219.70x = 2,315,169,952.39
  5. Step 5: Solve for x
    x = 2,315,169,952.39/43,219.70
  6. Step 6: Final answer
    x = 53,567.47

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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.