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Finding the Fourth Proportional to 17,965.84, 24,805.12 and 11,254.24

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Solution

The fourth proportional to 17,965.84, 24,805.12 and 11,254.24 is: 15,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.84 : 24,805.12 = 11,254.24 : x
  2. Step 2: Convert to fraction form
    17,965.84/24,805.12 = 11,254.24/x
  3. Step 3: Cross multiply
    17,965.84x = 24,805.12 × 11,254.24
  4. Step 4: Simplify right side
    17,965.84x = 279,162,773.71
  5. Step 5: Solve for x
    x = 279,162,773.71/17,965.84
  6. Step 6: Final answer
    x = 15,538.53

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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.