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Finding the Fourth Proportional to 59,638.90, 89,238.97 and 35,960.98

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Solution

The fourth proportional to 59,638.90, 89,238.97 and 35,960.98 is: 53,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,638.90 : 89,238.97 = 35,960.98 : x
  2. Step 2: Convert to fraction form
    59,638.90/89,238.97 = 35,960.98/x
  3. Step 3: Cross multiply
    59,638.90x = 89,238.97 × 35,960.98
  4. Step 4: Simplify right side
    59,638.90x = 3,209,120,815.39
  5. Step 5: Solve for x
    x = 3,209,120,815.39/59,638.90
  6. Step 6: Final answer
    x = 53,809.19

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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.