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Finding the Fourth Proportional to 6,220.56, 8,582.16 and 3,565.92

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Solution

The fourth proportional to 6,220.56, 8,582.16 and 3,565.92 is: 4,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.56 : 8,582.16 = 3,565.92 : x
  2. Step 2: Convert to fraction form
    6,220.56/8,582.16 = 3,565.92/x
  3. Step 3: Cross multiply
    6,220.56x = 8,582.16 × 3,565.92
  4. Step 4: Simplify right side
    6,220.56x = 30,603,295.99
  5. Step 5: Solve for x
    x = 30,603,295.99/6,220.56
  6. Step 6: Final answer
    x = 4,919.70

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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.