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Finding the Fourth Proportional to 6,338.24, 8,747.04 and 3,686.24

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Solution

The fourth proportional to 6,338.24, 8,747.04 and 3,686.24 is: 5,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.24 : 8,747.04 = 3,686.24 : x
  2. Step 2: Convert to fraction form
    6,338.24/8,747.04 = 3,686.24/x
  3. Step 3: Cross multiply
    6,338.24x = 8,747.04 × 3,686.24
  4. Step 4: Simplify right side
    6,338.24x = 32,243,688.73
  5. Step 5: Solve for x
    x = 32,243,688.73/6,338.24
  6. Step 6: Final answer
    x = 5,087.17

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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.