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Finding the Fourth Proportional to 8,326.62, 11,489.04 and 5,302.62

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Solution

The fourth proportional to 8,326.62, 11,489.04 and 5,302.62 is: 7,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.62 : 11,489.04 = 5,302.62 : x
  2. Step 2: Convert to fraction form
    8,326.62/11,489.04 = 5,302.62/x
  3. Step 3: Cross multiply
    8,326.62x = 11,489.04 × 5,302.62
  4. Step 4: Simplify right side
    8,326.62x = 60,922,013.28
  5. Step 5: Solve for x
    x = 60,922,013.28/8,326.62
  6. Step 6: Final answer
    x = 7,316.54

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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.