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Finding the Fourth Proportional to 10,652.46, 15,979.46 and 4,324.30

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Solution

The fourth proportional to 10,652.46, 15,979.46 and 4,324.30 is: 6,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.46 : 15,979.46 = 4,324.30 : x
  2. Step 2: Convert to fraction form
    10,652.46/15,979.46 = 4,324.30/x
  3. Step 3: Cross multiply
    10,652.46x = 15,979.46 × 4,324.30
  4. Step 4: Simplify right side
    10,652.46x = 69,099,978.88
  5. Step 5: Solve for x
    x = 69,099,978.88/10,652.46
  6. Step 6: Final answer
    x = 6,486.76

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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.