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Finding the Fourth Proportional to 62,984.28, 86,903.22 and 35,754.31

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Solution

The fourth proportional to 62,984.28, 86,903.22 and 35,754.31 is: 49,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,984.28 : 86,903.22 = 35,754.31 : x
  2. Step 2: Convert to fraction form
    62,984.28/86,903.22 = 35,754.31/x
  3. Step 3: Cross multiply
    62,984.28x = 86,903.22 × 35,754.31
  4. Step 4: Simplify right side
    62,984.28x = 3,107,164,659.19
  5. Step 5: Solve for x
    x = 3,107,164,659.19/62,984.28
  6. Step 6: Final answer
    x = 49,332.38

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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.