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Finding the Fourth Proportional to 9,076.32, 13,614.48 and 7,935.84

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Solution

The fourth proportional to 9,076.32, 13,614.48 and 7,935.84 is: 11,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.32 : 13,614.48 = 7,935.84 : x
  2. Step 2: Convert to fraction form
    9,076.32/13,614.48 = 7,935.84/x
  3. Step 3: Cross multiply
    9,076.32x = 13,614.48 × 7,935.84
  4. Step 4: Simplify right side
    9,076.32x = 108,042,334.96
  5. Step 5: Solve for x
    x = 108,042,334.96/9,076.32
  6. Step 6: Final answer
    x = 11,903.76

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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.