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Finding the Fourth Proportional to 6,358.97, 9,536.74 and 2,660.45

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Solution

The fourth proportional to 6,358.97, 9,536.74 and 2,660.45 is: 3,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.97 : 9,536.74 = 2,660.45 : x
  2. Step 2: Convert to fraction form
    6,358.97/9,536.74 = 2,660.45/x
  3. Step 3: Cross multiply
    6,358.97x = 9,536.74 × 2,660.45
  4. Step 4: Simplify right side
    6,358.97x = 25,371,965.60
  5. Step 5: Solve for x
    x = 25,371,965.60/6,358.97
  6. Step 6: Final answer
    x = 3,989.95

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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.