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Finding the Fourth Proportional to 9,296.42, 12,829.82 and 5,318.82

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Solution

The fourth proportional to 9,296.42, 12,829.82 and 5,318.82 is: 7,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.42 : 12,829.82 = 5,318.82 : x
  2. Step 2: Convert to fraction form
    9,296.42/12,829.82 = 5,318.82/x
  3. Step 3: Cross multiply
    9,296.42x = 12,829.82 × 5,318.82
  4. Step 4: Simplify right side
    9,296.42x = 68,239,476.62
  5. Step 5: Solve for x
    x = 68,239,476.62/9,296.42
  6. Step 6: Final answer
    x = 7,340.41

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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.