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Finding the Fourth Proportional to 33,761.01, 50,643.68 and 12,984.51

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Solution

The fourth proportional to 33,761.01, 50,643.68 and 12,984.51 is: 19,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,761.01 : 50,643.68 = 12,984.51 : x
  2. Step 2: Convert to fraction form
    33,761.01/50,643.68 = 12,984.51/x
  3. Step 3: Cross multiply
    33,761.01x = 50,643.68 × 12,984.51
  4. Step 4: Simplify right side
    33,761.01x = 657,583,304.47
  5. Step 5: Solve for x
    x = 657,583,304.47/33,761.01
  6. Step 6: Final answer
    x = 19,477.60

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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.