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Finding the Fourth Proportional to 45,353.92, 68,005.92 and 16,876.48

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Solution

The fourth proportional to 45,353.92, 68,005.92 and 16,876.48 is: 25,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353.92 : 68,005.92 = 16,876.48 : x
  2. Step 2: Convert to fraction form
    45,353.92/68,005.92 = 16,876.48/x
  3. Step 3: Cross multiply
    45,353.92x = 68,005.92 × 16,876.48
  4. Step 4: Simplify right side
    45,353.92x = 1,147,700,548.76
  5. Step 5: Solve for x
    x = 1,147,700,548.76/45,353.92
  6. Step 6: Final answer
    x = 25,305.43

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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.