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Finding the Fourth Proportional to 30,179.54, 41,650.05 and 16,750.68

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Solution

The fourth proportional to 30,179.54, 41,650.05 and 16,750.68 is: 23,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.54 : 41,650.05 = 16,750.68 : x
  2. Step 2: Convert to fraction form
    30,179.54/41,650.05 = 16,750.68/x
  3. Step 3: Cross multiply
    30,179.54x = 41,650.05 × 16,750.68
  4. Step 4: Simplify right side
    30,179.54x = 697,666,659.53
  5. Step 5: Solve for x
    x = 697,666,659.53/30,179.54
  6. Step 6: Final answer
    x = 23,117.21

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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.