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Finding the Fourth Proportional to 63,583.84, 87,756.56 and 36,721.52

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Solution

The fourth proportional to 63,583.84, 87,756.56 and 36,721.52 is: 50,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,583.84 : 87,756.56 = 36,721.52 : x
  2. Step 2: Convert to fraction form
    63,583.84/87,756.56 = 36,721.52/x
  3. Step 3: Cross multiply
    63,583.84x = 87,756.56 × 36,721.52
  4. Step 4: Simplify right side
    63,583.84x = 3,222,554,273.17
  5. Step 5: Solve for x
    x = 3,222,554,273.17/63,583.84
  6. Step 6: Final answer
    x = 50,681.97

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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.