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Finding the Fourth Proportional to 6,559.56, 9,819.84 and 6,550.92

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Solution

The fourth proportional to 6,559.56, 9,819.84 and 6,550.92 is: 9,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,559.56 : 9,819.84 = 6,550.92 : x
  2. Step 2: Convert to fraction form
    6,559.56/9,819.84 = 6,550.92/x
  3. Step 3: Cross multiply
    6,559.56x = 9,819.84 × 6,550.92
  4. Step 4: Simplify right side
    6,559.56x = 64,328,986.25
  5. Step 5: Solve for x
    x = 64,328,986.25/6,559.56
  6. Step 6: Final answer
    x = 9,806.91

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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.