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Finding the Fourth Proportional to 18,598.85, 25,672.10 and 11,046.41

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Solution

The fourth proportional to 18,598.85, 25,672.10 and 11,046.41 is: 15,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.85 : 25,672.10 = 11,046.41 : x
  2. Step 2: Convert to fraction form
    18,598.85/25,672.10 = 11,046.41/x
  3. Step 3: Cross multiply
    18,598.85x = 25,672.10 × 11,046.41
  4. Step 4: Simplify right side
    18,598.85x = 283,584,358.57
  5. Step 5: Solve for x
    x = 283,584,358.57/18,598.85
  6. Step 6: Final answer
    x = 15,247.42

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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.