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Finding the Fourth Proportional to 17,952.58, 26,905.11 and 13,776.63

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Solution

The fourth proportional to 17,952.58, 26,905.11 and 13,776.63 is: 20,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.58 : 26,905.11 = 13,776.63 : x
  2. Step 2: Convert to fraction form
    17,952.58/26,905.11 = 13,776.63/x
  3. Step 3: Cross multiply
    17,952.58x = 26,905.11 × 13,776.63
  4. Step 4: Simplify right side
    17,952.58x = 370,661,745.58
  5. Step 5: Solve for x
    x = 370,661,745.58/17,952.58
  6. Step 6: Final answer
    x = 20,646.71

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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.