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Finding the Fourth Proportional to 24,495.94, 33,805.11 and 13,885.21

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Solution

The fourth proportional to 24,495.94, 33,805.11 and 13,885.21 is: 19,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,495.94 : 33,805.11 = 13,885.21 : x
  2. Step 2: Convert to fraction form
    24,495.94/33,805.11 = 13,885.21/x
  3. Step 3: Cross multiply
    24,495.94x = 33,805.11 × 13,885.21
  4. Step 4: Simplify right side
    24,495.94x = 469,391,051.42
  5. Step 5: Solve for x
    x = 469,391,051.42/24,495.94
  6. Step 6: Final answer
    x = 19,161.99

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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.