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Finding the Fourth Proportional to 12,599.88, 18,902.94 and 3,834.36

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Solution

The fourth proportional to 12,599.88, 18,902.94 and 3,834.36 is: 5,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.88 : 18,902.94 = 3,834.36 : x
  2. Step 2: Convert to fraction form
    12,599.88/18,902.94 = 3,834.36/x
  3. Step 3: Cross multiply
    12,599.88x = 18,902.94 × 3,834.36
  4. Step 4: Simplify right side
    12,599.88x = 72,480,677.02
  5. Step 5: Solve for x
    x = 72,480,677.02/12,599.88
  6. Step 6: Final answer
    x = 5,752.49

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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.