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Finding the Fourth Proportional to 8,499.95, 12,753.44 and 6,763.31

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Solution

The fourth proportional to 8,499.95, 12,753.44 and 6,763.31 is: 10,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.95 : 12,753.44 = 6,763.31 : x
  2. Step 2: Convert to fraction form
    8,499.95/12,753.44 = 6,763.31/x
  3. Step 3: Cross multiply
    8,499.95x = 12,753.44 × 6,763.31
  4. Step 4: Simplify right side
    8,499.95x = 86,255,468.29
  5. Step 5: Solve for x
    x = 86,255,468.29/8,499.95
  6. Step 6: Final answer
    x = 10,147.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.