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Finding the Fourth Proportional to 5,816.69, 8,725.13 and 5,521.31

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Solution

The fourth proportional to 5,816.69, 8,725.13 and 5,521.31 is: 8,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.69 : 8,725.13 = 5,521.31 : x
  2. Step 2: Convert to fraction form
    5,816.69/8,725.13 = 5,521.31/x
  3. Step 3: Cross multiply
    5,816.69x = 8,725.13 × 5,521.31
  4. Step 4: Simplify right side
    5,816.69x = 48,174,147.52
  5. Step 5: Solve for x
    x = 48,174,147.52/5,816.69
  6. Step 6: Final answer
    x = 8,282.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.