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Finding the Fourth Proportional to 10,395.92, 15,606.84 and 6,922.64

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Solution

The fourth proportional to 10,395.92, 15,606.84 and 6,922.64 is: 10,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.92 : 15,606.84 = 6,922.64 : x
  2. Step 2: Convert to fraction form
    10,395.92/15,606.84 = 6,922.64/x
  3. Step 3: Cross multiply
    10,395.92x = 15,606.84 × 6,922.64
  4. Step 4: Simplify right side
    10,395.92x = 108,040,534.86
  5. Step 5: Solve for x
    x = 108,040,534.86/10,395.92
  6. Step 6: Final answer
    x = 10,392.59

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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.