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Finding the Fourth Proportional to 63,013.93, 94,520.89 and 18,637.22

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Solution

The fourth proportional to 63,013.93, 94,520.89 and 18,637.22 is: 27,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,013.93 : 94,520.89 = 18,637.22 : x
  2. Step 2: Convert to fraction form
    63,013.93/94,520.89 = 18,637.22/x
  3. Step 3: Cross multiply
    63,013.93x = 94,520.89 × 18,637.22
  4. Step 4: Simplify right side
    63,013.93x = 1,761,606,621.53
  5. Step 5: Solve for x
    x = 1,761,606,621.53/63,013.93
  6. Step 6: Final answer
    x = 27,955.83

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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.