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Finding the Fourth Proportional to 10,644.10, 15,966.87 and 3,249.22

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Solution

The fourth proportional to 10,644.10, 15,966.87 and 3,249.22 is: 4,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.10 : 15,966.87 = 3,249.22 : x
  2. Step 2: Convert to fraction form
    10,644.10/15,966.87 = 3,249.22/x
  3. Step 3: Cross multiply
    10,644.10x = 15,966.87 × 3,249.22
  4. Step 4: Simplify right side
    10,644.10x = 51,879,873.34
  5. Step 5: Solve for x
    x = 51,879,873.34/10,644.10
  6. Step 6: Final answer
    x = 4,874.05

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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.