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Finding the Fourth Proportional to 8,324.56, 11,488.56 and 4,968.40

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Solution

The fourth proportional to 8,324.56, 11,488.56 and 4,968.40 is: 6,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.56 : 11,488.56 = 4,968.40 : x
  2. Step 2: Convert to fraction form
    8,324.56/11,488.56 = 4,968.40/x
  3. Step 3: Cross multiply
    8,324.56x = 11,488.56 × 4,968.40
  4. Step 4: Simplify right side
    8,324.56x = 57,079,761.50
  5. Step 5: Solve for x
    x = 57,079,761.50/8,324.56
  6. Step 6: Final answer
    x = 6,856.79

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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.