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Finding the Fourth Proportional to 23,959.85, 33,064.82 and 13,205.12

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Solution

The fourth proportional to 23,959.85, 33,064.82 and 13,205.12 is: 18,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.85 : 33,064.82 = 13,205.12 : x
  2. Step 2: Convert to fraction form
    23,959.85/33,064.82 = 13,205.12/x
  3. Step 3: Cross multiply
    23,959.85x = 33,064.82 × 13,205.12
  4. Step 4: Simplify right side
    23,959.85x = 436,624,892.11
  5. Step 5: Solve for x
    x = 436,624,892.11/23,959.85
  6. Step 6: Final answer
    x = 18,223.19

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Double scale
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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.