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Finding the Fourth Proportional to 8,682.33, 12,995.55 and 5,723.22

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Solution

The fourth proportional to 8,682.33, 12,995.55 and 5,723.22 is: 8,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.33 : 12,995.55 = 5,723.22 : x
  2. Step 2: Convert to fraction form
    8,682.33/12,995.55 = 5,723.22/x
  3. Step 3: Cross multiply
    8,682.33x = 12,995.55 × 5,723.22
  4. Step 4: Simplify right side
    8,682.33x = 74,376,391.67
  5. Step 5: Solve for x
    x = 74,376,391.67/8,682.33
  6. Step 6: Final answer
    x = 8,566.41

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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.