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Finding the Fourth Proportional to 23,909.92, 33,003.92 and 14,478.48

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Solution

The fourth proportional to 23,909.92, 33,003.92 and 14,478.48 is: 19,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.92 : 33,003.92 = 14,478.48 : x
  2. Step 2: Convert to fraction form
    23,909.92/33,003.92 = 14,478.48/x
  3. Step 3: Cross multiply
    23,909.92x = 33,003.92 × 14,478.48
  4. Step 4: Simplify right side
    23,909.92x = 477,846,631.84
  5. Step 5: Solve for x
    x = 477,846,631.84/23,909.92
  6. Step 6: Final answer
    x = 19,985.29

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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.