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Finding the Fourth Proportional to 6,476.94, 8,934.67 and 5,351.22

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Solution

The fourth proportional to 6,476.94, 8,934.67 and 5,351.22 is: 7,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.94 : 8,934.67 = 5,351.22 : x
  2. Step 2: Convert to fraction form
    6,476.94/8,934.67 = 5,351.22/x
  3. Step 3: Cross multiply
    6,476.94x = 8,934.67 × 5,351.22
  4. Step 4: Simplify right side
    6,476.94x = 47,811,384.80
  5. Step 5: Solve for x
    x = 47,811,384.80/6,476.94
  6. Step 6: Final answer
    x = 7,381.79

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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.