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Finding the Fourth Proportional to 8,599.53, 12,900.44 and 3,404.19

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Solution

The fourth proportional to 8,599.53, 12,900.44 and 3,404.19 is: 5,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.53 : 12,900.44 = 3,404.19 : x
  2. Step 2: Convert to fraction form
    8,599.53/12,900.44 = 3,404.19/x
  3. Step 3: Cross multiply
    8,599.53x = 12,900.44 × 3,404.19
  4. Step 4: Simplify right side
    8,599.53x = 43,915,557.35
  5. Step 5: Solve for x
    x = 43,915,557.35/8,599.53
  6. Step 6: Final answer
    x = 5,106.74

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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.