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Finding the Fourth Proportional to 10,844.68, 16,253.34 and 8,644.36

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Solution

The fourth proportional to 10,844.68, 16,253.34 and 8,644.36 is: 12,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.68 : 16,253.34 = 8,644.36 : x
  2. Step 2: Convert to fraction form
    10,844.68/16,253.34 = 8,644.36/x
  3. Step 3: Cross multiply
    10,844.68x = 16,253.34 × 8,644.36
  4. Step 4: Simplify right side
    10,844.68x = 140,499,722.16
  5. Step 5: Solve for x
    x = 140,499,722.16/10,844.68
  6. Step 6: Final answer
    x = 12,955.64

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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.