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Finding the Fourth Proportional to 63,083.57, 87,054.80 and 34,789.28

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Solution

The fourth proportional to 63,083.57, 87,054.80 and 34,789.28 is: 48,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,083.57 : 87,054.80 = 34,789.28 : x
  2. Step 2: Convert to fraction form
    63,083.57/87,054.80 = 34,789.28/x
  3. Step 3: Cross multiply
    63,083.57x = 87,054.80 × 34,789.28
  4. Step 4: Simplify right side
    63,083.57x = 3,028,573,203.32
  5. Step 5: Solve for x
    x = 3,028,573,203.32/63,083.57
  6. Step 6: Final answer
    x = 48,008.91

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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.