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Finding the Fourth Proportional to 6,713.64, 9,260.64 and 4,614.12

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Solution

The fourth proportional to 6,713.64, 9,260.64 and 4,614.12 is: 6,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.64 : 9,260.64 = 4,614.12 : x
  2. Step 2: Convert to fraction form
    6,713.64/9,260.64 = 4,614.12/x
  3. Step 3: Cross multiply
    6,713.64x = 9,260.64 × 4,614.12
  4. Step 4: Simplify right side
    6,713.64x = 42,729,704.24
  5. Step 5: Solve for x
    x = 42,729,704.24/6,713.64
  6. Step 6: Final answer
    x = 6,364.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.