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Finding the Fourth Proportional to 3,975.58, 5,965.40 and 3,007.63

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Solution

The fourth proportional to 3,975.58, 5,965.40 and 3,007.63 is: 4,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.58 : 5,965.40 = 3,007.63 : x
  2. Step 2: Convert to fraction form
    3,975.58/5,965.40 = 3,007.63/x
  3. Step 3: Cross multiply
    3,975.58x = 5,965.40 × 3,007.63
  4. Step 4: Simplify right side
    3,975.58x = 17,941,716.00
  5. Step 5: Solve for x
    x = 17,941,716.00/3,975.58
  6. Step 6: Final answer
    x = 4,512.98

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1.5x scale

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.