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Finding the Fourth Proportional to 8,399.83, 12,592.87 and 4,651.48

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Solution

The fourth proportional to 8,399.83, 12,592.87 and 4,651.48 is: 6,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.83 : 12,592.87 = 4,651.48 : x
  2. Step 2: Convert to fraction form
    8,399.83/12,592.87 = 4,651.48/x
  3. Step 3: Cross multiply
    8,399.83x = 12,592.87 × 4,651.48
  4. Step 4: Simplify right side
    8,399.83x = 58,575,416.23
  5. Step 5: Solve for x
    x = 58,575,416.23/8,399.83
  6. Step 6: Final answer
    x = 6,973.41

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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.