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Finding the Fourth Proportional to 6,671.10, 9,210.39 and 4,282.10

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Solution

The fourth proportional to 6,671.10, 9,210.39 and 4,282.10 is: 5,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.10 : 9,210.39 = 4,282.10 : x
  2. Step 2: Convert to fraction form
    6,671.10/9,210.39 = 4,282.10/x
  3. Step 3: Cross multiply
    6,671.10x = 9,210.39 × 4,282.10
  4. Step 4: Simplify right side
    6,671.10x = 39,439,764.97
  5. Step 5: Solve for x
    x = 39,439,764.97/6,671.10
  6. Step 6: Final answer
    x = 5,912.03

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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.