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Finding the Fourth Proportional to 6,220.74, 8,583.63 and 3,567.66

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Solution

The fourth proportional to 6,220.74, 8,583.63 and 3,567.66 is: 4,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.74 : 8,583.63 = 3,567.66 : x
  2. Step 2: Convert to fraction form
    6,220.74/8,583.63 = 3,567.66/x
  3. Step 3: Cross multiply
    6,220.74x = 8,583.63 × 3,567.66
  4. Step 4: Simplify right side
    6,220.74x = 30,623,473.41
  5. Step 5: Solve for x
    x = 30,623,473.41/6,220.74
  6. Step 6: Final answer
    x = 4,922.80

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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.