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Finding the Fourth Proportional to 63,394.51, 87,485.49 and 34,713.71

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Solution

The fourth proportional to 63,394.51, 87,485.49 and 34,713.71 is: 47,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394.51 : 87,485.49 = 34,713.71 : x
  2. Step 2: Convert to fraction form
    63,394.51/87,485.49 = 34,713.71/x
  3. Step 3: Cross multiply
    63,394.51x = 87,485.49 × 34,713.71
  4. Step 4: Simplify right side
    63,394.51x = 3,036,945,906.50
  5. Step 5: Solve for x
    x = 3,036,945,906.50/63,394.51
  6. Step 6: Final answer
    x = 47,905.51

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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.