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Finding the Fourth Proportional to 6,694.40, 9,247.08 and 5,141.68

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Solution

The fourth proportional to 6,694.40, 9,247.08 and 5,141.68 is: 7,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694.40 : 9,247.08 = 5,141.68 : x
  2. Step 2: Convert to fraction form
    6,694.40/9,247.08 = 5,141.68/x
  3. Step 3: Cross multiply
    6,694.40x = 9,247.08 × 5,141.68
  4. Step 4: Simplify right side
    6,694.40x = 47,545,526.29
  5. Step 5: Solve for x
    x = 47,545,526.29/6,694.40
  6. Step 6: Final answer
    x = 7,102.28

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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.