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Finding the Fourth Proportional to 17,404.80, 26,056.80 and 13,041.60

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Solution

The fourth proportional to 17,404.80, 26,056.80 and 13,041.60 is: 19,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,404.80 : 26,056.80 = 13,041.60 : x
  2. Step 2: Convert to fraction form
    17,404.80/26,056.80 = 13,041.60/x
  3. Step 3: Cross multiply
    17,404.80x = 26,056.80 × 13,041.60
  4. Step 4: Simplify right side
    17,404.80x = 339,822,362.88
  5. Step 5: Solve for x
    x = 339,822,362.88/17,404.80
  6. Step 6: Final answer
    x = 19,524.63

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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.