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Finding the Fourth Proportional to 5,673.59, 8,519.62 and 5,630.54

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Solution

The fourth proportional to 5,673.59, 8,519.62 and 5,630.54 is: 8,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.59 : 8,519.62 = 5,630.54 : x
  2. Step 2: Convert to fraction form
    5,673.59/8,519.62 = 5,630.54/x
  3. Step 3: Cross multiply
    5,673.59x = 8,519.62 × 5,630.54
  4. Step 4: Simplify right side
    5,673.59x = 47,970,031.12
  5. Step 5: Solve for x
    x = 47,970,031.12/5,673.59
  6. Step 6: Final answer
    x = 8,454.96

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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.