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Finding the Fourth Proportional to 3,967.36, 5,951.35 and 1,045.63

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Solution

The fourth proportional to 3,967.36, 5,951.35 and 1,045.63 is: 1,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.36 : 5,951.35 = 1,045.63 : x
  2. Step 2: Convert to fraction form
    3,967.36/5,951.35 = 1,045.63/x
  3. Step 3: Cross multiply
    3,967.36x = 5,951.35 × 1,045.63
  4. Step 4: Simplify right side
    3,967.36x = 6,222,910.10
  5. Step 5: Solve for x
    x = 6,222,910.10/3,967.36
  6. Step 6: Final answer
    x = 1,568.53

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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.