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Finding the Fourth Proportional to 6,254.77, 8,630.80 and 3,865.27

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Solution

The fourth proportional to 6,254.77, 8,630.80 and 3,865.27 is: 5,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.77 : 8,630.80 = 3,865.27 : x
  2. Step 2: Convert to fraction form
    6,254.77/8,630.80 = 3,865.27/x
  3. Step 3: Cross multiply
    6,254.77x = 8,630.80 × 3,865.27
  4. Step 4: Simplify right side
    6,254.77x = 33,360,372.32
  5. Step 5: Solve for x
    x = 33,360,372.32/6,254.77
  6. Step 6: Final answer
    x = 5,333.59

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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.