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Finding the Fourth Proportional to 7,885.73, 10,879.03 and 5,529.44

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Solution

The fourth proportional to 7,885.73, 10,879.03 and 5,529.44 is: 7,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.73 : 10,879.03 = 5,529.44 : x
  2. Step 2: Convert to fraction form
    7,885.73/10,879.03 = 5,529.44/x
  3. Step 3: Cross multiply
    7,885.73x = 10,879.03 × 5,529.44
  4. Step 4: Simplify right side
    7,885.73x = 60,154,943.64
  5. Step 5: Solve for x
    x = 60,154,943.64/7,885.73
  6. Step 6: Final answer
    x = 7,628.33

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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.