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Finding the Fourth Proportional to 39,960.64, 59,874.84 and 35,839.88

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Solution

The fourth proportional to 39,960.64, 59,874.84 and 35,839.88 is: 53,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.64 : 59,874.84 = 35,839.88 : x
  2. Step 2: Convert to fraction form
    39,960.64/59,874.84 = 35,839.88/x
  3. Step 3: Cross multiply
    39,960.64x = 59,874.84 × 35,839.88
  4. Step 4: Simplify right side
    39,960.64x = 2,145,907,080.62
  5. Step 5: Solve for x
    x = 2,145,907,080.62/39,960.64
  6. Step 6: Final answer
    x = 53,700.52

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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.