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Finding the Fourth Proportional to 23,636.25, 32,618.03 and 12,881.12

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Solution

The fourth proportional to 23,636.25, 32,618.03 and 12,881.12 is: 17,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,636.25 : 32,618.03 = 12,881.12 : x
  2. Step 2: Convert to fraction form
    23,636.25/32,618.03 = 12,881.12/x
  3. Step 3: Cross multiply
    23,636.25x = 32,618.03 × 12,881.12
  4. Step 4: Simplify right side
    23,636.25x = 420,156,775.73
  5. Step 5: Solve for x
    x = 420,156,775.73/23,636.25
  6. Step 6: Final answer
    x = 17,775.95

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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.