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Finding the Fourth Proportional to 5,818.89, 8,733.48 and 3,188.82

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Solution

The fourth proportional to 5,818.89, 8,733.48 and 3,188.82 is: 4,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.89 : 8,733.48 = 3,188.82 : x
  2. Step 2: Convert to fraction form
    5,818.89/8,733.48 = 3,188.82/x
  3. Step 3: Cross multiply
    5,818.89x = 8,733.48 × 3,188.82
  4. Step 4: Simplify right side
    5,818.89x = 27,849,495.69
  5. Step 5: Solve for x
    x = 27,849,495.69/5,818.89
  6. Step 6: Final answer
    x = 4,786.05

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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.