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Finding the Fourth Proportional to 6,697.67, 9,244.61 and 4,178.29

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Solution

The fourth proportional to 6,697.67, 9,244.61 and 4,178.29 is: 5,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.67 : 9,244.61 = 4,178.29 : x
  2. Step 2: Convert to fraction form
    6,697.67/9,244.61 = 4,178.29/x
  3. Step 3: Cross multiply
    6,697.67x = 9,244.61 × 4,178.29
  4. Step 4: Simplify right side
    6,697.67x = 38,626,594.40
  5. Step 5: Solve for x
    x = 38,626,594.40/6,697.67
  6. Step 6: Final answer
    x = 5,767.17

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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.