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Finding the Fourth Proportional to 43,208.52, 64,808.28 and 13,625.52

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Solution

The fourth proportional to 43,208.52, 64,808.28 and 13,625.52 is: 20,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,208.52 : 64,808.28 = 13,625.52 : x
  2. Step 2: Convert to fraction form
    43,208.52/64,808.28 = 13,625.52/x
  3. Step 3: Cross multiply
    43,208.52x = 64,808.28 × 13,625.52
  4. Step 4: Simplify right side
    43,208.52x = 883,046,515.31
  5. Step 5: Solve for x
    x = 883,046,515.31/43,208.52
  6. Step 6: Final answer
    x = 20,436.86

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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.