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Finding the Fourth Proportional to 62,670.28, 86,473.02 and 35,821.30

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Solution

The fourth proportional to 62,670.28, 86,473.02 and 35,821.30 is: 49,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,670.28 : 86,473.02 = 35,821.30 : x
  2. Step 2: Convert to fraction form
    62,670.28/86,473.02 = 35,821.30/x
  3. Step 3: Cross multiply
    62,670.28x = 86,473.02 × 35,821.30
  4. Step 4: Simplify right side
    62,670.28x = 3,097,575,991.33
  5. Step 5: Solve for x
    x = 3,097,575,991.33/62,670.28
  6. Step 6: Final answer
    x = 49,426.55

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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.