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Finding the Fourth Proportional to 63,009.56, 94,532.79 and 18,637.46

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Solution

The fourth proportional to 63,009.56, 94,532.79 and 18,637.46 is: 27,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.56 : 94,532.79 = 18,637.46 : x
  2. Step 2: Convert to fraction form
    63,009.56/94,532.79 = 18,637.46/x
  3. Step 3: Cross multiply
    63,009.56x = 94,532.79 × 18,637.46
  4. Step 4: Simplify right side
    63,009.56x = 1,761,851,092.31
  5. Step 5: Solve for x
    x = 1,761,851,092.31/63,009.56
  6. Step 6: Final answer
    x = 27,961.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.