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Finding the Fourth Proportional to 59,076.36, 88,614.12 and 21,639

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Solution

The fourth proportional to 59,076.36, 88,614.12 and 21,639 is: 32,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,076.36 : 88,614.12 = 21,639 : x
  2. Step 2: Convert to fraction form
    59,076.36/88,614.12 = 21,639/x
  3. Step 3: Cross multiply
    59,076.36x = 88,614.12 × 21,639
  4. Step 4: Simplify right side
    59,076.36x = 1,917,520,942.68
  5. Step 5: Solve for x
    x = 1,917,520,942.68/59,076.36
  6. Step 6: Final answer
    x = 32,458.35

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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.