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Finding the Fourth Proportional to 30,241.52, 41,730.93 and 16,811.96

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Solution

The fourth proportional to 30,241.52, 41,730.93 and 16,811.96 is: 23,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.52 : 41,730.93 = 16,811.96 : x
  2. Step 2: Convert to fraction form
    30,241.52/41,730.93 = 16,811.96/x
  3. Step 3: Cross multiply
    30,241.52x = 41,730.93 × 16,811.96
  4. Step 4: Simplify right side
    30,241.52x = 701,578,725.92
  5. Step 5: Solve for x
    x = 701,578,725.92/30,241.52
  6. Step 6: Final answer
    x = 23,199.19

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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.