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Finding the Fourth Proportional to 8,324.63, 11,489.01 and 5,339.36

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Solution

The fourth proportional to 8,324.63, 11,489.01 and 5,339.36 is: 7,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.63 : 11,489.01 = 5,339.36 : x
  2. Step 2: Convert to fraction form
    8,324.63/11,489.01 = 5,339.36/x
  3. Step 3: Cross multiply
    8,324.63x = 11,489.01 × 5,339.36
  4. Step 4: Simplify right side
    8,324.63x = 61,343,960.43
  5. Step 5: Solve for x
    x = 61,343,960.43/8,324.63
  6. Step 6: Final answer
    x = 7,368.97

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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.