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Finding the Fourth Proportional to 8,597.12, 12,896.28 and 2,754.20

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Solution

The fourth proportional to 8,597.12, 12,896.28 and 2,754.20 is: 4,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.12 : 12,896.28 = 2,754.20 : x
  2. Step 2: Convert to fraction form
    8,597.12/12,896.28 = 2,754.20/x
  3. Step 3: Cross multiply
    8,597.12x = 12,896.28 × 2,754.20
  4. Step 4: Simplify right side
    8,597.12x = 35,518,934.38
  5. Step 5: Solve for x
    x = 35,518,934.38/8,597.12
  6. Step 6: Final answer
    x = 4,131.49

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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.