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Finding the Fourth Proportional to 8,575.55, 12,868.23 and 4,626.80

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Solution

The fourth proportional to 8,575.55, 12,868.23 and 4,626.80 is: 6,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.55 : 12,868.23 = 4,626.80 : x
  2. Step 2: Convert to fraction form
    8,575.55/12,868.23 = 4,626.80/x
  3. Step 3: Cross multiply
    8,575.55x = 12,868.23 × 4,626.80
  4. Step 4: Simplify right side
    8,575.55x = 59,538,662.22
  5. Step 5: Solve for x
    x = 59,538,662.22/8,575.55
  6. Step 6: Final answer
    x = 6,942.84

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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.