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Finding the Fourth Proportional to 5,847.80, 8,766.70 and 2,558.39

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Solution

The fourth proportional to 5,847.80, 8,766.70 and 2,558.39 is: 3,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.80 : 8,766.70 = 2,558.39 : x
  2. Step 2: Convert to fraction form
    5,847.80/8,766.70 = 2,558.39/x
  3. Step 3: Cross multiply
    5,847.80x = 8,766.70 × 2,558.39
  4. Step 4: Simplify right side
    5,847.80x = 22,428,587.38
  5. Step 5: Solve for x
    x = 22,428,587.38/5,847.80
  6. Step 6: Final answer
    x = 3,835.39

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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.