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Finding the Fourth Proportional to 12,258.69, 18,388.04 and 3,024.69

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Solution

The fourth proportional to 12,258.69, 18,388.04 and 3,024.69 is: 4,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.69 : 18,388.04 = 3,024.69 : x
  2. Step 2: Convert to fraction form
    12,258.69/18,388.04 = 3,024.69/x
  3. Step 3: Cross multiply
    12,258.69x = 18,388.04 × 3,024.69
  4. Step 4: Simplify right side
    12,258.69x = 55,618,105.58
  5. Step 5: Solve for x
    x = 55,618,105.58/12,258.69
  6. Step 6: Final answer
    x = 4,537.04

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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.