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Finding the Fourth Proportional to 12,599.28, 18,898.97 and 3,834.17

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Solution

The fourth proportional to 12,599.28, 18,898.97 and 3,834.17 is: 5,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.28 : 18,898.97 = 3,834.17 : x
  2. Step 2: Convert to fraction form
    12,599.28/18,898.97 = 3,834.17/x
  3. Step 3: Cross multiply
    12,599.28x = 18,898.97 × 3,834.17
  4. Step 4: Simplify right side
    12,599.28x = 72,461,750.14
  5. Step 5: Solve for x
    x = 72,461,750.14/12,599.28
  6. Step 6: Final answer
    x = 5,751.26

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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.