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Finding the Fourth Proportional to 8,789.84, 13,186.87 and 3,595.73

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Solution

The fourth proportional to 8,789.84, 13,186.87 and 3,595.73 is: 5,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.84 : 13,186.87 = 3,595.73 : x
  2. Step 2: Convert to fraction form
    8,789.84/13,186.87 = 3,595.73/x
  3. Step 3: Cross multiply
    8,789.84x = 13,186.87 × 3,595.73
  4. Step 4: Simplify right side
    8,789.84x = 47,416,349.14
  5. Step 5: Solve for x
    x = 47,416,349.14/8,789.84
  6. Step 6: Final answer
    x = 5,394.45

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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.