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Finding the Fourth Proportional to 8,100.30, 11,178.63 and 4,563.30

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Solution

The fourth proportional to 8,100.30, 11,178.63 and 4,563.30 is: 6,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.30 : 11,178.63 = 4,563.30 : x
  2. Step 2: Convert to fraction form
    8,100.30/11,178.63 = 4,563.30/x
  3. Step 3: Cross multiply
    8,100.30x = 11,178.63 × 4,563.30
  4. Step 4: Simplify right side
    8,100.30x = 51,011,442.28
  5. Step 5: Solve for x
    x = 51,011,442.28/8,100.30
  6. Step 6: Final answer
    x = 6,297.48

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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.