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Finding the Fourth Proportional to 18,443.08, 25,451.58 and 10,059.58

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Solution

The fourth proportional to 18,443.08, 25,451.58 and 10,059.58 is: 13,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.08 : 25,451.58 = 10,059.58 : x
  2. Step 2: Convert to fraction form
    18,443.08/25,451.58 = 10,059.58/x
  3. Step 3: Cross multiply
    18,443.08x = 25,451.58 × 10,059.58
  4. Step 4: Simplify right side
    18,443.08x = 256,032,205.14
  5. Step 5: Solve for x
    x = 256,032,205.14/18,443.08
  6. Step 6: Final answer
    x = 13,882.29

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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.