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Finding the Fourth Proportional to 8,796.62, 12,139.36 and 4,763.49

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Solution

The fourth proportional to 8,796.62, 12,139.36 and 4,763.49 is: 6,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.62 : 12,139.36 = 4,763.49 : x
  2. Step 2: Convert to fraction form
    8,796.62/12,139.36 = 4,763.49/x
  3. Step 3: Cross multiply
    8,796.62x = 12,139.36 × 4,763.49
  4. Step 4: Simplify right side
    8,796.62x = 57,825,753.58
  5. Step 5: Solve for x
    x = 57,825,753.58/8,796.62
  6. Step 6: Final answer
    x = 6,573.63

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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.