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Finding the Fourth Proportional to 17,649.71, 24,340.35 and 11,992.94

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Solution

The fourth proportional to 17,649.71, 24,340.35 and 11,992.94 is: 16,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.71 : 24,340.35 = 11,992.94 : x
  2. Step 2: Convert to fraction form
    17,649.71/24,340.35 = 11,992.94/x
  3. Step 3: Cross multiply
    17,649.71x = 24,340.35 × 11,992.94
  4. Step 4: Simplify right side
    17,649.71x = 291,912,357.13
  5. Step 5: Solve for x
    x = 291,912,357.13/17,649.71
  6. Step 6: Final answer
    x = 16,539.22

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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.