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Finding the Fourth Proportional to 6,964.40, 9,612.20 and 4,133.33

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Solution

The fourth proportional to 6,964.40, 9,612.20 and 4,133.33 is: 5,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.40 : 9,612.20 = 4,133.33 : x
  2. Step 2: Convert to fraction form
    6,964.40/9,612.20 = 4,133.33/x
  3. Step 3: Cross multiply
    6,964.40x = 9,612.20 × 4,133.33
  4. Step 4: Simplify right side
    6,964.40x = 39,730,392.94
  5. Step 5: Solve for x
    x = 39,730,392.94/6,964.40
  6. Step 6: Final answer
    x = 5,704.79

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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.