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Finding the Fourth Proportional to 45,671.92, 68,504.28 and 14,507.44

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Solution

The fourth proportional to 45,671.92, 68,504.28 and 14,507.44 is: 21,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,671.92 : 68,504.28 = 14,507.44 : x
  2. Step 2: Convert to fraction form
    45,671.92/68,504.28 = 14,507.44/x
  3. Step 3: Cross multiply
    45,671.92x = 68,504.28 × 14,507.44
  4. Step 4: Simplify right side
    45,671.92x = 993,821,731.84
  5. Step 5: Solve for x
    x = 993,821,731.84/45,671.92
  6. Step 6: Final answer
    x = 21,760.02

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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.