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Finding the Fourth Proportional to 17,148.58, 25,677.81 and 13,799.03

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Solution

The fourth proportional to 17,148.58, 25,677.81 and 13,799.03 is: 20,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.58 : 25,677.81 = 13,799.03 : x
  2. Step 2: Convert to fraction form
    17,148.58/25,677.81 = 13,799.03/x
  3. Step 3: Cross multiply
    17,148.58x = 25,677.81 × 13,799.03
  4. Step 4: Simplify right side
    17,148.58x = 354,328,742.14
  5. Step 5: Solve for x
    x = 354,328,742.14/17,148.58
  6. Step 6: Final answer
    x = 20,662.28

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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.