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Finding the Fourth Proportional to 59,077.81, 88,629.90 and 21,637.09

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Solution

The fourth proportional to 59,077.81, 88,629.90 and 21,637.09 is: 32,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,077.81 : 88,629.90 = 21,637.09 : x
  2. Step 2: Convert to fraction form
    59,077.81/88,629.90 = 21,637.09/x
  3. Step 3: Cross multiply
    59,077.81x = 88,629.90 × 21,637.09
  4. Step 4: Simplify right side
    59,077.81x = 1,917,693,122.99
  5. Step 5: Solve for x
    x = 1,917,693,122.99/59,077.81
  6. Step 6: Final answer
    x = 32,460.46

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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.