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Finding the Fourth Proportional to 8,325.87, 11,489.36 and 4,599.63

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Solution

The fourth proportional to 8,325.87, 11,489.36 and 4,599.63 is: 6,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.87 : 11,489.36 = 4,599.63 : x
  2. Step 2: Convert to fraction form
    8,325.87/11,489.36 = 4,599.63/x
  3. Step 3: Cross multiply
    8,325.87x = 11,489.36 × 4,599.63
  4. Step 4: Simplify right side
    8,325.87x = 52,846,781.94
  5. Step 5: Solve for x
    x = 52,846,781.94/8,325.87
  6. Step 6: Final answer
    x = 6,347.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.