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Finding the Fourth Proportional to 5,912.84, 8,858.82 and 5,561.68

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Solution

The fourth proportional to 5,912.84, 8,858.82 and 5,561.68 is: 8,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.84 : 8,858.82 = 5,561.68 : x
  2. Step 2: Convert to fraction form
    5,912.84/8,858.82 = 5,561.68/x
  3. Step 3: Cross multiply
    5,912.84x = 8,858.82 × 5,561.68
  4. Step 4: Simplify right side
    5,912.84x = 49,269,922.02
  5. Step 5: Solve for x
    x = 49,269,922.02/5,912.84
  6. Step 6: Final answer
    x = 8,332.70

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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.