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Finding the Fourth Proportional to 45,414.93, 68,023.94 and 21,992.25

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Solution

The fourth proportional to 45,414.93, 68,023.94 and 21,992.25 is: 32,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,414.93 : 68,023.94 = 21,992.25 : x
  2. Step 2: Convert to fraction form
    45,414.93/68,023.94 = 21,992.25/x
  3. Step 3: Cross multiply
    45,414.93x = 68,023.94 × 21,992.25
  4. Step 4: Simplify right side
    45,414.93x = 1,495,999,384.50
  5. Step 5: Solve for x
    x = 1,495,999,384.50/45,414.93
  6. Step 6: Final answer
    x = 32,940.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.