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Finding the Fourth Proportional to 8,324.58, 11,489.54 and 5,344.19

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Solution

The fourth proportional to 8,324.58, 11,489.54 and 5,344.19 is: 7,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.58 : 11,489.54 = 5,344.19 : x
  2. Step 2: Convert to fraction form
    8,324.58/11,489.54 = 5,344.19/x
  3. Step 3: Cross multiply
    8,324.58x = 11,489.54 × 5,344.19
  4. Step 4: Simplify right side
    8,324.58x = 61,402,243.69
  5. Step 5: Solve for x
    x = 61,402,243.69/8,324.58
  6. Step 6: Final answer
    x = 7,376.01

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Half scale
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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.