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Finding the Fourth Proportional to 6,558.87, 9,049.74 and 5,500.92

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Solution

The fourth proportional to 6,558.87, 9,049.74 and 5,500.92 is: 7,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.87 : 9,049.74 = 5,500.92 : x
  2. Step 2: Convert to fraction form
    6,558.87/9,049.74 = 5,500.92/x
  3. Step 3: Cross multiply
    6,558.87x = 9,049.74 × 5,500.92
  4. Step 4: Simplify right side
    6,558.87x = 49,781,895.76
  5. Step 5: Solve for x
    x = 49,781,895.76/6,558.87
  6. Step 6: Final answer
    x = 7,590.01

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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.