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Finding the Fourth Proportional to 63,473.96, 87,629.46 and 43,361

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Solution

The fourth proportional to 63,473.96, 87,629.46 and 43,361 is: 59,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,473.96 : 87,629.46 = 43,361 : x
  2. Step 2: Convert to fraction form
    63,473.96/87,629.46 = 43,361/x
  3. Step 3: Cross multiply
    63,473.96x = 87,629.46 × 43,361
  4. Step 4: Simplify right side
    63,473.96x = 3,799,701,015.06
  5. Step 5: Solve for x
    x = 3,799,701,015.06/63,473.96
  6. Step 6: Final answer
    x = 59,862.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.