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Finding the Fourth Proportional to 17,860.37, 26,788.65 and 7,331.49

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Solution

The fourth proportional to 17,860.37, 26,788.65 and 7,331.49 is: 10,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.37 : 26,788.65 = 7,331.49 : x
  2. Step 2: Convert to fraction form
    17,860.37/26,788.65 = 7,331.49/x
  3. Step 3: Cross multiply
    17,860.37x = 26,788.65 × 7,331.49
  4. Step 4: Simplify right side
    17,860.37x = 196,400,719.59
  5. Step 5: Solve for x
    x = 196,400,719.59/17,860.37
  6. Step 6: Final answer
    x = 10,996.46

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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.