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Finding the Fourth Proportional to 6,480.56, 8,936.28 and 4,244.40

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Solution

The fourth proportional to 6,480.56, 8,936.28 and 4,244.40 is: 5,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.56 : 8,936.28 = 4,244.40 : x
  2. Step 2: Convert to fraction form
    6,480.56/8,936.28 = 4,244.40/x
  3. Step 3: Cross multiply
    6,480.56x = 8,936.28 × 4,244.40
  4. Step 4: Simplify right side
    6,480.56x = 37,929,146.83
  5. Step 5: Solve for x
    x = 37,929,146.83/6,480.56
  6. Step 6: Final answer
    x = 5,852.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.