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Finding the Fourth Proportional to 3,963.45, 5,946.21 and 1,498.32

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Solution

The fourth proportional to 3,963.45, 5,946.21 and 1,498.32 is: 2,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.45 : 5,946.21 = 1,498.32 : x
  2. Step 2: Convert to fraction form
    3,963.45/5,946.21 = 1,498.32/x
  3. Step 3: Cross multiply
    3,963.45x = 5,946.21 × 1,498.32
  4. Step 4: Simplify right side
    3,963.45x = 8,909,325.37
  5. Step 5: Solve for x
    x = 8,909,325.37/3,963.45
  6. Step 6: Final answer
    x = 2,247.87

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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.