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Finding the Fourth Proportional to 5,683.70, 8,525.55 and 4,819.70

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Solution

The fourth proportional to 5,683.70, 8,525.55 and 4,819.70 is: 7,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.70 : 8,525.55 = 4,819.70 : x
  2. Step 2: Convert to fraction form
    5,683.70/8,525.55 = 4,819.70/x
  3. Step 3: Cross multiply
    5,683.70x = 8,525.55 × 4,819.70
  4. Step 4: Simplify right side
    5,683.70x = 41,090,593.34
  5. Step 5: Solve for x
    x = 41,090,593.34/5,683.70
  6. Step 6: Final answer
    x = 7,229.55

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Similar ratio
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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.